90479167 has 4 divisors (see below), whose sum is σ = 90640440. Its totient is φ = 90317896.

The previous prime is 90479149. The next prime is 90479201. The reversal of 90479167 is 76197409.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90479167 - 2¹⁵ = 90446399 is a prime.

It is a super-2 number, since 2×90479167² = 16372959322027778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90479107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79792 + ... + 80917.

It is an arithmetic number, because the mean of its divisors is an integer number (22660110).

Almost surely, 2^90479167 is an apocalyptic number.

90479167 is a deficient number, since it is larger than the sum of its proper divisors (161273).

90479167 is a wasteful number, since it uses less digits than its factorization.

90479167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161272.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 90479167 is about 9512.0537740280. The cubic root of 90479167 is about 448.9343789630.

The spelling of 90479167 in words is "ninety million, four hundred seventy-nine thousand, one hundred sixty-seven".