1077889656 has 16 divisors (see below), whose sum is σ = 2694724200. Its totient is φ = 359296544.

The previous prime is 1077889633. The next prime is 1077889663. The reversal of 1077889656 is 6569887701.

It is a super-2 number, since 2×1077889656² = 2323692221023596672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1077889596 and 1077889605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22456011 + ... + 22456058.

Almost surely, 2^1077889656 is an apocalyptic number.

It is an amenable number.

1077889656 is an abundant number, since it is smaller than the sum of its proper divisors (1616834544).

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

1077889656 is a wasteful number, since it uses less digits than its factorization.

1077889656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44912078 (or 44912074 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 1077889656 is about 32831.2298886289. The cubic root of 1077889656 is about 1025.3168660640.

The spelling of 1077889656 in words is "one billion, seventy-seven million, eight hundred eighty-nine thousand, six hundred fifty-six".