77264045495 has 96 divisors (see below), whose sum is σ = 118109311488. Its totient is φ = 48088276992.

The previous prime is 77264045491. The next prime is 77264045531. The reversal of 77264045495 is 59454046277.

It is not a de Polignac number, because 77264045495 - 2² = 77264045491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77264045491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49306202 + ... + 49307768.

It is an arithmetic number, because the mean of its divisors is an integer number (1230305328).

Almost surely, 2^77264045495 is an apocalyptic number.

77264045495 is a deficient number, since it is larger than the sum of its proper divisors (40845265993).

77264045495 is a wasteful number, since it uses less digits than its factorization.

77264045495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 77264045495 in words is "seventy-seven billion, two hundred sixty-four million, forty-five thousand, four hundred ninety-five".