1061977488 has 320 divisors, whose sum is σ = 3599769600. Its totient is φ = 264314880.

The previous prime is 1061977439. The next prime is 1061977489. The reversal of 1061977488 is 8847791601.

It is a super-2 number, since 2×1061977488² = 2255592370037580288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1061977488.

It is not an unprimeable number, because it can be changed into a prime (1061977489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2216833 + ... + 2217311.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^1061977488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061977488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799884800).

1061977488 is an abundant number, since it is smaller than the sum of its proper divisors (2537792112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061977488 is a wasteful number, since it uses less digits than its factorization.

1061977488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The square root of 1061977488 is about 32587.9960721736. The cubic root of 1061977488 is about 1020.2464763835.

The spelling of 1061977488 in words is "one billion, sixty-one million, nine hundred seventy-seven thousand, four hundred eighty-eight".