97233904890 has 48 divisors (see below), whose sum is σ = 255854053728. Its totient is φ = 25616641248.

The previous prime is 97233904847. The next prime is 97233904903. The reversal of 97233904890 is 9840933279.

97233904890 is a `hidden beast` number, since 9 + 72 + 3 + 3 + 90 + 489 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6500824 + ... + 6515763.

It is an arithmetic number, because the mean of its divisors is an integer number (5330292786).

Almost surely, 2^97233904890 is an apocalyptic number.

97233904890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97233904890 is an abundant number, since it is smaller than the sum of its proper divisors (158620148838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97233904890 is a wasteful number, since it uses less digits than its factorization.

97233904890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016683 (or 13016680 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 97233904890 in words is "ninety-seven billion, two hundred thirty-three million, nine hundred four thousand, eight hundred ninety".