1077787460 has 48 divisors (see below), whose sum is σ = 2318912064. Its totient is φ = 420655488.

The previous prime is 1077787457. The next prime is 1077787493. The reversal of 1077787460 is 647877701.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139622 + ... + 147138.

It is an arithmetic number, because the mean of its divisors is an integer number (48310668).

Almost surely, 2^1077787460 is an apocalyptic number.

1077787460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077787460 is an abundant number, since it is smaller than the sum of its proper divisors (1241124604).

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

1077787460 is a wasteful number, since it uses less digits than its factorization.

1077787460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700 (or 7698 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 47.

The square root of 1077787460 is about 32829.6734677639. The cubic root of 1077787460 is about 1025.2844612028.

The spelling of 1077787460 in words is "one billion, seventy-seven million, seven hundred eighty-seven thousand, four hundred sixty".