90479097 has 24 divisors (see below), whose sum is σ = 135110976. Its totient is φ = 58301856.

The previous prime is 90479069. The next prime is 90479099. The reversal of 90479097 is 79097409.

90479097 is a `hidden beast` number, since 90 + 479 + 0 + 97 = 666.

It is not a de Polignac number, because 90479097 - 2¹² = 90475001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90479099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54798 + ... + 56424.

It is an arithmetic number, because the mean of its divisors is an integer number (5629624).

Almost surely, 2^90479097 is an apocalyptic number.

It is an amenable number.

90479097 is a deficient number, since it is larger than the sum of its proper divisors (44631879).

90479097 is a wasteful number, since it uses less digits than its factorization.

90479097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 90479097 is about 9512.0500944854. The cubic root of 90479097 is about 448.9342631889.

The spelling of 90479097 in words is "ninety million, four hundred seventy-nine thousand, ninety-seven".