90670939417 has 4 divisors (see below), whose sum is σ = 90709508736. Its totient is φ = 90632370100.

The previous prime is 90670939409. The next prime is 90670939427. The reversal of 90670939417 is 71493907609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90670939417 - 2³ = 90670939409 is a prime.

It is a super-2 number, since 2×90670939417² (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 (90670939427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19281133 + ... + 19285834.

It is an arithmetic number, because the mean of its divisors is an integer number (22677377184).

Almost surely, 2^90670939417 is an apocalyptic number.

It is an amenable number.

90670939417 is a deficient number, since it is larger than the sum of its proper divisors (38569319).

90670939417 is a wasteful number, since it uses less digits than its factorization.

90670939417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38569318.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 90670939417 in words is "ninety billion, six hundred seventy million, nine hundred thirty-nine thousand, four hundred seventeen".