78650085715 has 8 divisors (see below), whose sum is σ = 94475346048. Its totient is φ = 62856573120.

The previous prime is 78650085707. The next prime is 78650085737. The reversal of 78650085715 is 51758005687.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78650085715 - 2³ = 78650085707 is a prime.

It is a super-2 number, since 2×78650085715² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 7931482 + ... + 7941391.

It is an arithmetic number, because the mean of its divisors is an integer number (11809418256).

Almost surely, 2^78650085715 is an apocalyptic number.

78650085715 is a deficient number, since it is larger than the sum of its proper divisors (15825260333).

78650085715 is a wasteful number, since it uses less digits than its factorization.

78650085715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873869.

The product of its (nonzero) digits is 2352000, while the sum is 52.

The spelling of 78650085715 in words is "seventy-eight billion, six hundred fifty million, eighty-five thousand, seven hundred fifteen".