77761413738164 has 48 divisors (see below), whose sum is σ = 146614512844800. Its totient is φ = 35874175174656.

The previous prime is 77761413738137. The next prime is 77761413738191. The reversal of 77761413738164 is 46183731416777.

It is an interprime number because it is at equal distance from previous prime (77761413738137) and next prime (77761413738191).

It is a super-3 number, since 3×77761413738164³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77761413738164.

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, 1177331789 + ... + 1177397835.

It is an arithmetic number, because the mean of its divisors is an integer number (3054469017600).

Almost surely, 2^{77761413738164} is an apocalyptic number.

It is an amenable number.

77761413738164 is a deficient number, since it is larger than the sum of its proper divisors (68853099106636).

77761413738164 is a wasteful number, since it uses less digits than its factorization.

77761413738164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75632 (or 75630 counting only the distinct ones).

The product of its digits is 99574272, while the sum is 65.

The spelling of 77761413738164 in words is "seventy-seven trillion, seven hundred sixty-one billion, four hundred thirteen million, seven hundred thirty-eight thousand, one hundred sixty-four".