90470832655 has 16 divisors (see below), whose sum is σ = 124084736064. Its totient is φ = 62031916800.

The previous prime is 90470832619. The next prime is 90470832677. The reversal of 90470832655 is 55623807409.

It is not a de Polignac number, because 90470832655 - 2⁷ = 90470832527 is a prime.

It is a super-2 number, since 2×90470832655² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90470832599 and 90470832608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338469 + ... + 543601.

It is an arithmetic number, because the mean of its divisors is an integer number (7755296004).

Almost surely, 2^90470832655 is an apocalyptic number.

90470832655 is a deficient number, since it is larger than the sum of its proper divisors (33613903409).

90470832655 is a wasteful number, since it uses less digits than its factorization.

90470832655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217746.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 90470832655 in words is "ninety billion, four hundred seventy million, eight hundred thirty-two thousand, six hundred fifty-five".