90967479251 has 8 divisors (see below), whose sum is σ = 99245636208. Its totient is φ = 82690720000.

The previous prime is 90967479217. The next prime is 90967479289. The reversal of 90967479251 is 15297476909.

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 90967479251 - 2¹⁴ = 90967462867 is a prime.

It is a super-2 number, since 2×90967479251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90967476251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210950 + ... + 475851.

It is an arithmetic number, because the mean of its divisors is an integer number (12405704526).

Almost surely, 2^90967479251 is an apocalyptic number.

90967479251 is a deficient number, since it is larger than the sum of its proper divisors (8278156957).

90967479251 is a wasteful number, since it uses less digits than its factorization.

90967479251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698853.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 90967479251 in words is "ninety billion, nine hundred sixty-seven million, four hundred seventy-nine thousand, two hundred fifty-one".