99999931402 has 64 divisors (see below), whose sum is σ = 184662768384. Its totient is φ = 39640043520.

The previous prime is 99999931387. The next prime is 99999931403. The reversal of 99999931402 is 20413999999.

It is not an unprimeable number, because it can be changed into a prime (99999931403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4871853 + ... + 4892335.

It is an arithmetic number, because the mean of its divisors is an integer number (2885355756).

Almost surely, 2^99999931402 is an apocalyptic number.

99999931402 is a deficient number, since it is larger than the sum of its proper divisors (84662836982).

99999931402 is a wasteful number, since it uses less digits than its factorization.

99999931402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20863.

The product of its (nonzero) digits is 12754584, while the sum is 64.

The spelling of 99999931402 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred thirty-one thousand, four hundred two".