1077988032 has 126 divisors (see below), whose sum is σ = 3396509844. Its totient is φ = 326641920.

The previous prime is 1077988019. The next prime is 1077988033. The reversal of 1077988032 is 2308897701.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1077988033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61963 + ... + 77429.

Almost surely, 2^1077988032 is an apocalyptic number.

1077988032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1077988032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698254922).

1077988032 is an abundant number, since it is smaller than the sum of its proper divisors (2318521812).

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

1077988032 is a wasteful number, since it uses less digits than its factorization.

1077988032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1077988032 is about 32832.7280621029. The cubic root of 1077988032 is about 1025.3480577242.

The spelling of 1077988032 in words is "one billion, seventy-seven million, nine hundred eighty-eight thousand, thirty-two".