79993000154 has 16 divisors (see below), whose sum is σ = 121851267840. Its totient is φ = 39377501520.

The previous prime is 79993000141. The next prime is 79993000163. The reversal of 79993000154 is 45100039997.

It is a pancake number, because a pancake can be divided into 79993000154 parts by 399982 straight cuts.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79993000099 and 79993000108.

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, 296594 + ... + 497949.

It is an arithmetic number, because the mean of its divisors is an integer number (7615704240).

Almost surely, 2^79993000154 is an apocalyptic number.

79993000154 is a deficient number, since it is larger than the sum of its proper divisors (41858267686).

79993000154 is a wasteful number, since it uses less digits than its factorization.

79993000154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795325.

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 79993000154 in words is "seventy-nine billion, nine hundred ninety-three million, one hundred fifty-four", and thus it is an aban number.