77164653703 has 4 divisors (see below), whose sum is σ = 78429648088. Its totient is φ = 75899659320.

The previous prime is 77164653701. The next prime is 77164653707. The reversal of 77164653703 is 30735646177.

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 77164653703 - 2¹ = 77164653701 is a prime.

It is a super-2 number, since 2×77164653703² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77164653701) 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, 632497101 + ... + 632497222.

It is an arithmetic number, because the mean of its divisors is an integer number (19607412022).

Almost surely, 2^77164653703 is an apocalyptic number.

77164653703 is a deficient number, since it is larger than the sum of its proper divisors (1264994385).

77164653703 is a wasteful number, since it uses less digits than its factorization.

77164653703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264994384.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 77164653703 in words is "seventy-seven billion, one hundred sixty-four million, six hundred fifty-three thousand, seven hundred three".