77494036695 has 16 divisors (see below), whose sum is σ = 123997068000. Its totient is φ = 41327949824.

The previous prime is 77494036681. The next prime is 77494036721. The reversal of 77494036695 is 59663049477.

It is a cyclic number.

It is not a de Polignac number, because 77494036695 - 2⁴ = 77494036679 is a prime.

It is a congruent 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, 176167 + ... + 431303.

It is an arithmetic number, because the mean of its divisors is an integer number (7749816750).

Almost surely, 2^77494036695 is an apocalyptic number.

77494036695 is a deficient number, since it is larger than the sum of its proper divisors (46503031305).

77494036695 is a wasteful number, since it uses less digits than its factorization.

77494036695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275394.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 77494036695 in words is "seventy-seven billion, four hundred ninety-four million, thirty-six thousand, six hundred ninety-five".