83475011057438 has 128 divisors (see below), whose sum is σ = 177059038786560. Its totient is φ = 28425945600000.

The previous prime is 83475011057407. The next prime is 83475011057441.

83475011057438 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71733038 + ... + 72887438.

It is an arithmetic number, because the mean of its divisors is an integer number (1383273740520).

Almost surely, 2^{83475011057438} is an apocalyptic number.

83475011057438 is an abundant number, since it is smaller than the sum of its proper divisors (93584027729122).

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

83475011057438 is a wasteful number, since it uses less digits than its factorization.

83475011057438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156354.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 83475011057438 in words is "eighty-three trillion, four hundred seventy-five billion, eleven million, fifty-seven thousand, four hundred thirty-eight".