79988750 has 40 divisors (see below), whose sum is σ = 151826400. Its totient is φ = 31592000.

The previous prime is 79988749. The next prime is 79988767. The reversal of 79988750 is 5788997.

It is a junction number, because it is equal to n+sod(n) for n = 79988692 and 79988701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110891 + ... + 111609.

It is an arithmetic number, because the mean of its divisors is an integer number (3795660).

Almost surely, 2^79988750 is an apocalyptic number.

79988750 is a deficient number, since it is larger than the sum of its proper divisors (71837650).

79988750 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (79988751) it forms an eRAP, since the sums of their prime factors are consecutive (830 and 831).

79988750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 79988750 is about 8943.6429937694. The cubic root of 79988750 is about 430.8667392343.

The spelling of 79988750 in words is "seventy-nine million, nine hundred eighty-eight thousand, seven hundred fifty".