78143116708 has 48 divisors (see below), whose sum is σ = 146391283584. Its totient is φ = 36368663040.

The previous prime is 78143116687. The next prime is 78143116729. The reversal of 78143116708 is 80761134187.

It is an interprime number because it is at equal distance from previous prime (78143116687) and next prime (78143116729).

It is a super-2 number, since 2×78143116708² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5673366 + ... + 5687122.

It is an arithmetic number, because the mean of its divisors is an integer number (3049818408).

Almost surely, 2^78143116708 is an apocalyptic number.

It is an amenable number.

78143116708 is a deficient number, since it is larger than the sum of its proper divisors (68248166876).

78143116708 is a wasteful number, since it uses less digits than its factorization.

78143116708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14692 (or 14690 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 78143116708 in words is "seventy-eight billion, one hundred forty-three million, one hundred sixteen thousand, seven hundred eight".