78999068 has 24 divisors (see below), whose sum is σ = 148154832. Its totient is φ = 36725504.

The previous prime is 78999059. The next prime is 78999133. The reversal of 78999068 is 86099987.

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, 1355 + ... + 12642.

It is an arithmetic number, because the mean of its divisors is an integer number (6173118).

Almost surely, 2^78999068 is an apocalyptic number.

It is an amenable number.

78999068 is a deficient number, since it is larger than the sum of its proper divisors (69155764).

78999068 is a wasteful number, since it uses less digits than its factorization.

78999068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101 (or 14099 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 78999068 is about 8888.1419880648. The cubic root of 78999068 is about 429.0823553275.

The spelling of 78999068 in words is "seventy-eight million, nine hundred ninety-nine thousand, sixty-eight".