90260279 has 8 divisors (see below), whose sum is σ = 97579440. Its totient is φ = 83198016.

The previous prime is 90260263. The next prime is 90260281. The reversal of 90260279 is 97206209.

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 90260279 - 2⁴ = 90260263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90260249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63494 + ... + 64899.

It is an arithmetic number, because the mean of its divisors is an integer number (12197430).

Almost surely, 2^90260279 is an apocalyptic number.

90260279 is a deficient number, since it is larger than the sum of its proper divisors (7319161).

90260279 is a wasteful number, since it uses less digits than its factorization.

90260279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128449.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 90260279 is about 9500.5409845966. The cubic root of 90260279 is about 448.5720646294.

The spelling of 90260279 in words is "ninety million, two hundred sixty thousand, two hundred seventy-nine".