99997389402236 has 24 divisors (see below), whose sum is σ = 176113038489696. Its totient is φ = 49679389206720.

The previous prime is 99997389402221. The next prime is 99997389402277. The reversal of 99997389402236 is 63220498379999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36559121 + ... + 39199031.

It is an arithmetic number, because the mean of its divisors is an integer number (7338043270404).

Almost surely, 2^{99997389402236} is an apocalyptic number.

It is an amenable number.

99997389402236 is a deficient number, since it is larger than the sum of its proper divisors (76115649087460).

99997389402236 is a wasteful number, since it uses less digits than its factorization.

99997389402236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700389 (or 2700387 counting only the distinct ones).

The product of its (nonzero) digits is 2857026816, while the sum is 80.

The spelling of 99997389402236 in words is "ninety-nine trillion, nine hundred ninety-seven billion, three hundred eighty-nine million, four hundred two thousand, two hundred thirty-six".