99354197715 has 16 divisors (see below), whose sum is σ = 162843954336. Its totient is φ = 51696492800.

The previous prime is 99354197671. The next prime is 99354197717. The reversal of 99354197715 is 51779145399.

It is not a de Polignac number, because 99354197715 - 2⁶ = 99354197651 is a prime.

It is a super-2 number, since 2×99354197715² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99354197717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80775156 + ... + 80776385.

It is an arithmetic number, because the mean of its divisors is an integer number (10177747146).

Almost surely, 2^99354197715 is an apocalyptic number.

99354197715 is a deficient number, since it is larger than the sum of its proper divisors (63489756621).

99354197715 is a wasteful number, since it uses less digits than its factorization.

99354197715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161551590.

The product of its digits is 10716300, while the sum is 60.

The spelling of 99354197715 in words is "ninety-nine billion, three hundred fifty-four million, one hundred ninety-seven thousand, seven hundred fifteen".