99754308631 has 4 divisors (see below), whose sum is σ = 99755204472. Its totient is φ = 99753412792.

The previous prime is 99754308629. The next prime is 99754308659. The reversal of 99754308631 is 13680345799.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13680345799 = 3389 ⋅4036691.

It is a cyclic number.

It is not a de Polignac number, because 99754308631 - 2¹ = 99754308629 is a prime.

It is a super-2 number, since 2×99754308631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99754308331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252460 + ... + 513073.

It is an arithmetic number, because the mean of its divisors is an integer number (24938801118).

Almost surely, 2^99754308631 is an apocalyptic number.

99754308631 is a deficient number, since it is larger than the sum of its proper divisors (895841).

99754308631 is a wasteful number, since it uses less digits than its factorization.

99754308631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895840.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 99754308631 in words is "ninety-nine billion, seven hundred fifty-four million, three hundred eight thousand, six hundred thirty-one".