1077989560 has 32 divisors (see below), whose sum is σ = 2465244000. Its totient is φ = 424126080.

The previous prime is 1077989557. The next prime is 1077989573. The reversal of 1077989560 is 659897701.

It is a happy number.

It is a super-2 number, since 2×1077989560² = 2324122982937987200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1077989498 and 1077989507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218460 + ... + 223339.

It is an arithmetic number, because the mean of its divisors is an integer number (77038875).

Almost surely, 2^1077989560 is an apocalyptic number.

1077989560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077989560 is an abundant number, since it is smaller than the sum of its proper divisors (1387254440).

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

1077989560 is a wasteful number, since it uses less digits than its factorization.

1077989560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441871 (or 441867 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 1077989560 is about 32832.7513315592. The cubic root of 1077989560 is about 1025.3485421857.

The spelling of 1077989560 in words is "one billion, seventy-seven million, nine hundred eighty-nine thousand, five hundred sixty".