77040699 has 4 divisors (see below), whose sum is σ = 102720936. Its totient is φ = 51360464.

The previous prime is 77040671. The next prime is 77040709. The reversal of 77040699 is 99604077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77040699 - 2⁷ = 77040571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77040699.

It is not an unprimeable number, because it can be changed into a prime (77040619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12840114 + ... + 12840119.

It is an arithmetic number, because the mean of its divisors is an integer number (25680234).

Almost surely, 2^77040699 is an apocalyptic number.

77040699 is a deficient number, since it is larger than the sum of its proper divisors (25680237).

77040699 is a wasteful number, since it uses less digits than its factorization.

77040699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25680236.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 77040699 is about 8777.2831217866. The cubic root of 77040699 is about 425.5070285495.

The spelling of 77040699 in words is "seventy-seven million, forty thousand, six hundred ninety-nine".