90910004705 has 8 divisors (see below), whose sum is σ = 117483698472. Its totient is φ = 67133541888.

The previous prime is 90910004699. The next prime is 90910004737. The reversal of 90910004705 is 50740001909.

It can be written as a sum of positive squares in 4 ways, for example, as 2468003041 + 88442001664 = 49679^2 + 297392^2 .

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 90910004705 - 2¹⁴ = 90909988321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699307664 + ... + 699307793.

It is an arithmetic number, because the mean of its divisors is an integer number (14685462309).

Almost surely, 2^90910004705 is an apocalyptic number.

It is an amenable number.

90910004705 is a deficient number, since it is larger than the sum of its proper divisors (26573693767).

90910004705 is a wasteful number, since it uses less digits than its factorization.

90910004705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398615475.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 90910004705 in words is "ninety billion, nine hundred ten million, four thousand, seven hundred five".