89938735390 has 16 divisors (see below), whose sum is σ = 185016827232. Its totient is φ = 30836137824.

The previous prime is 89938735349. The next prime is 89938735507. The reversal of 89938735390 is 9353783998.

It is a super-2 number, since 2×89938735390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642419469 + ... + 642419608.

It is an arithmetic number, because the mean of its divisors is an integer number (11563551702).

Almost surely, 2^89938735390 is an apocalyptic number.

89938735390 is an abundant number, since it is smaller than the sum of its proper divisors (95078091842).

89938735390 is a wasteful number, since it uses less digits than its factorization.

89938735390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284839091.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 89938735390 in words is "eighty-nine billion, nine hundred thirty-eight million, seven hundred thirty-five thousand, three hundred ninety".