77694694 has 24 divisors (see below), whose sum is σ = 147895848. Its totient is φ = 30270240.

The previous prime is 77694691. The next prime is 77694707. The reversal of 77694694 is 49649677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77694691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34959 + ... + 37114.

It is an arithmetic number, because the mean of its divisors is an integer number (6162327).

Almost surely, 2^77694694 is an apocalyptic number.

77694694 is a deficient number, since it is larger than the sum of its proper divisors (70201154).

77694694 is a wasteful number, since it uses less digits than its factorization.

77694694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72100 (or 72093 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 77694694 is about 8814.4593708293. The cubic root of 77694694 is about 426.7076741456.

The spelling of 77694694 in words is "seventy-seven million, six hundred ninety-four thousand, six hundred ninety-four".