78501533023475 has 48 divisors (see below), whose sum is σ = 106250630372640. Its totient is φ = 57309259161600.

The previous prime is 78501533023469. The next prime is 78501533023483. The reversal of 78501533023475 is 57432033510587.

It is not a de Polignac number, because 78501533023475 - 2¹⁸ = 78501532761331 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19612466 + ... + 23273415.

It is an arithmetic number, because the mean of its divisors is an integer number (2213554799430).

Almost surely, 2^{78501533023475} is an apocalyptic number.

78501533023475 is a deficient number, since it is larger than the sum of its proper divisors (27749097349165).

78501533023475 is a wasteful number, since it uses less digits than its factorization.

78501533023475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42886040 (or 42886035 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 78501533023475 in words is "seventy-eight trillion, five hundred one billion, five hundred thirty-three million, twenty-three thousand, four hundred seventy-five".