1077730788 has 24 divisors (see below), whose sum is σ = 2523599008. Its totient is φ = 357973056.

The previous prime is 1077730781. The next prime is 1077730807. The reversal of 1077730788 is 8870377701.

It is not an unprimeable number, because it can be changed into a prime (1077730781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155281 + ... + 162072.

Almost surely, 2^1077730788 is an apocalyptic number.

It is an amenable number.

1077730788 is an abundant number, since it is smaller than the sum of its proper divisors (1445868220).

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

1077730788 is a wasteful number, since it uses less digits than its factorization.

1077730788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317643 (or 317641 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 48.

The square root of 1077730788 is about 32828.8103348263. The cubic root of 1077730788 is about 1025.2664904551.

The spelling of 1077730788 in words is "one billion, seventy-seven million, seven hundred thirty thousand, seven hundred eighty-eight".