90629279 has 8 divisors (see below), whose sum is σ = 97767600. Its totient is φ = 83514816.

The previous prime is 90629267. The next prime is 90629333. The reversal of 90629279 is 97292609.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90629279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90629479) 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, 2372 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (12220950).

Almost surely, 2^90629279 is an apocalyptic number.

90629279 is a deficient number, since it is larger than the sum of its proper divisors (7138321).

90629279 is a wasteful number, since it uses less digits than its factorization.

90629279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11929.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 90629279 is about 9519.9411237675. The cubic root of 90629279 is about 449.1825141797.

The spelling of 90629279 in words is "ninety million, six hundred twenty-nine thousand, two hundred seventy-nine".