84346557021432 has 48 divisors (see below), whose sum is σ = 228439019357640. Its totient is φ = 28115466401088.

The previous prime is 84346557021413. The next prime is 84346557021443. The reversal of 84346557021432 is 23412075564348.

84346557021432 is a `hidden beast` number, since 8 + 4 + 3 + 4 + 6 + 5 + 570 + 21 + 43 + 2 = 666.

It is a super-2 number, since 2×84346557021432² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65877583 + ... + 67145729.

Almost surely, 2^{84346557021432} is an apocalyptic number.

It is an amenable number.

84346557021432 is an abundant number, since it is smaller than the sum of its proper divisors (144092462336208).

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

84346557021432 is a wasteful number, since it uses less digits than its factorization.

84346557021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191932 (or 2191925 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 84346557021432 in words is "eighty-four trillion, three hundred forty-six billion, five hundred fifty-seven million, twenty-one thousand, four hundred thirty-two".