78565160624481 has 48 divisors (see below), whose sum is σ = 115972044814080. Its totient is φ = 51229433088000.

The previous prime is 78565160624479. The next prime is 78565160624543. The reversal of 78565160624481 is 18442606156587.

78565160624481 is a `hidden beast` number, since 7 + 8 + 56 + 516 + 0 + 6 + 24 + 48 + 1 = 666.

It is not a de Polignac number, because 78565160624481 - 2¹ = 78565160624479 is a prime.

It is a super-2 number, since 2×78565160624481² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78565160624411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5512950606 + ... + 5512964856.

It is an arithmetic number, because the mean of its divisors is an integer number (2416084266960).

Almost surely, 2^{78565160624481} is an apocalyptic number.

It is an amenable number.

78565160624481 is a deficient number, since it is larger than the sum of its proper divisors (37406884189599).

78565160624481 is a wasteful number, since it uses less digits than its factorization.

78565160624481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766 (or 21763 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 78565160624481 in words is "seventy-eight trillion, five hundred sixty-five billion, one hundred sixty million, six hundred twenty-four thousand, four hundred eighty-one".