78719028832 has 24 divisors (see below), whose sum is σ = 155158979976. Its totient is φ = 39313573632.

The previous prime is 78719028821. The next prime is 78719028889. The reversal of 78719028832 is 23882091787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407798 + ... + 1462645.

It is an arithmetic number, because the mean of its divisors is an integer number (6464957499).

Almost surely, 2^78719028832 is an apocalyptic number.

It is an amenable number.

78719028832 is a deficient number, since it is larger than the sum of its proper divisors (76439951144).

78719028832 is a wasteful number, since it uses less digits than its factorization.

78719028832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871310 (or 2871302 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 78719028832 in words is "seventy-eight billion, seven hundred nineteen million, twenty-eight thousand, eight hundred thirty-two".