90099739670 has 16 divisors (see below), whose sum is σ = 162441545040. Its totient is φ = 35981670624.

The previous prime is 90099739649. The next prime is 90099739673. The reversal of 90099739670 is 7693799009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90099739673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7271657 + ... + 7284036.

It is an arithmetic number, because the mean of its divisors is an integer number (10152596565).

Almost surely, 2^90099739670 is an apocalyptic number.

90099739670 is a deficient number, since it is larger than the sum of its proper divisors (72341805370).

90099739670 is a wasteful number, since it uses less digits than its factorization.

90099739670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14556319.

The product of its (nonzero) digits is 5786802, while the sum is 59.

The spelling of 90099739670 in words is "ninety billion, ninety-nine million, seven hundred thirty-nine thousand, six hundred seventy".