90407070850 has 24 divisors (see below), whose sum is σ = 168178767120. Its totient is φ = 36158179920.

The previous prime is 90407070833. The next prime is 90407070851. The reversal of 90407070850 is 5807070409.

It is not an unprimeable number, because it can be changed into a prime (90407070851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290769 + ... + 515131.

It is an arithmetic number, because the mean of its divisors is an integer number (7007448630).

Almost surely, 2^90407070850 is an apocalyptic number.

90407070850 is a deficient number, since it is larger than the sum of its proper divisors (77771696270).

90407070850 is a wasteful number, since it uses less digits than its factorization.

90407070850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232434 (or 232429 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 90407070850 in words is "ninety billion, four hundred seven million, seventy thousand, eight hundred fifty".