77040755 has 16 divisors (see below), whose sum is σ = 103002624. Its totient is φ = 54835680.

The previous prime is 77040739. The next prime is 77040773. The reversal of 77040755 is 55704077.

It is not a de Polignac number, because 77040755 - 2⁴ = 77040739 is a prime.

It is a Duffinian 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, 12317 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (6437664).

Almost surely, 2^77040755 is an apocalyptic number.

77040755 is a deficient number, since it is larger than the sum of its proper divisors (25961869).

77040755 is a wasteful number, since it uses less digits than its factorization.

77040755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29866.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 77040755 is about 8777.2863118392. The cubic root of 77040755 is about 425.5071316482.

The spelling of 77040755 in words is "seventy-seven million, forty thousand, seven hundred fifty-five".