78794923498 has 16 divisors (see below), whose sum is σ = 121188057984. Its totient is φ = 38405584000.

The previous prime is 78794923453. The next prime is 78794923591. The reversal of 78794923498 is 89432949787.

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, 1646215 + ... + 1693402.

It is an arithmetic number, because the mean of its divisors is an integer number (7574253624).

Almost surely, 2^78794923498 is an apocalyptic number.

78794923498 is a deficient number, since it is larger than the sum of its proper divisors (42393134486).

78794923498 is a wasteful number, since it uses less digits than its factorization.

78794923498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339917.

The product of its digits is 219469824, while the sum is 70.

The spelling of 78794923498 in words is "seventy-eight billion, seven hundred ninety-four million, nine hundred twenty-three thousand, four hundred ninety-eight".