1076779968 has 84 divisors (see below), whose sum is σ = 3131591400. Its totient is φ = 326289920.

The previous prime is 1076779961. The next prime is 1076779987. The reversal of 1076779968 is 8699776701.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1076779961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58 + ... + 46406.

It is an arithmetic number, because the mean of its divisors is an integer number (37280850).

Almost surely, 2^1076779968 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 1076779968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565795700).

1076779968 is an abundant number, since it is smaller than the sum of its proper divisors (2054811432).

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

1076779968 is a wasteful number, since it uses less digits than its factorization.

1076779968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46386 (or 46365 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 60.

The square root of 1076779968 is about 32814.3256520685. The cubic root of 1076779968 is about 1024.9648904889.

The spelling of 1076779968 in words is "one billion, seventy-six million, seven hundred seventy-nine thousand, nine hundred sixty-eight".