9313157898 has 80 divisors (see below), whose sum is σ = 23086451520. Its totient is φ = 2782382400.

The previous prime is 9313157873. The next prime is 9313157911. The reversal of 9313157898 is 8987513139.

9313157898 is a `hidden beast` number, since 9 + 31 + 31 + 578 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 89718 + ... + 163326.

It is an arithmetic number, because the mean of its divisors is an integer number (288580644).

Almost surely, 2^9313157898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9313157898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11543225760).

9313157898 is an abundant number, since it is smaller than the sum of its proper divisors (13773293622).

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

9313157898 is a wasteful number, since it uses less digits than its factorization.

9313157898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73705 (or 73696 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 9313157898 is about 96504.7040200632. The cubic root of 9313157898 is about 2103.9350178056.

The spelling of 9313157898 in words is "nine billion, three hundred thirteen million, one hundred fifty-seven thousand, eight hundred ninety-eight".