90079129 has 8 divisors (see below), whose sum is σ = 103040000. Its totient is φ = 77141376.

The previous prime is 90079123. The next prime is 90079139. The reversal of 90079129 is 92197009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90079129 - 2⁷ = 90079001 is a prime.

It is a super-2 number, since 2×90079129² = 16228498962797282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90079123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3592 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (12880000).

Almost surely, 2^90079129 is an apocalyptic number.

It is an amenable number.

90079129 is a deficient number, since it is larger than the sum of its proper divisors (12960871).

90079129 is a wasteful number, since it uses less digits than its factorization.

90079129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11559.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 90079129 is about 9491.0025287111. The cubic root of 90079129 is about 448.2717728785.

The spelling of 90079129 in words is "ninety million, seventy-nine thousand, one hundred twenty-nine".