77469864453436 has 96 divisors (see below), whose sum is σ = 166976240721920. Its totient is φ = 30625740230400.

The previous prime is 77469864453413. The next prime is 77469864453479. The reversal of 77469864453436 is 63435446896477.

It is a super-2 number, since 2×77469864453436² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3791770141 + ... + 3791790571.

Almost surely, 2^{77469864453436} is an apocalyptic number.

It is an amenable number.

77469864453436 is an abundant number, since it is smaller than the sum of its proper divisors (89506376268484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77469864453436 is a wasteful number, since it uses less digits than its factorization.

77469864453436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27315 (or 27313 counting only the distinct ones).

The product of its digits is 8778792960, while the sum is 76.

The spelling of 77469864453436 in words is "seventy-seven trillion, four hundred sixty-nine billion, eight hundred sixty-four million, four hundred fifty-three thousand, four hundred thirty-six".