78747063430 has 32 divisors (see below), whose sum is σ = 162003628800. Its totient is φ = 26997381600.

The previous prime is 78747063413. The next prime is 78747063457. The reversal of 78747063430 is 3436074787.

It is a congruent number.

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, 2226021 + ... + 2261119.

It is an arithmetic number, because the mean of its divisors is an integer number (5062613400).

Almost surely, 2^78747063430 is an apocalyptic number.

78747063430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78747063430 is an abundant number, since it is smaller than the sum of its proper divisors (83256565370).

78747063430 is a wasteful number, since it uses less digits than its factorization.

78747063430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67164.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 78747063430 in words is "seventy-eight billion, seven hundred forty-seven million, sixty-three thousand, four hundred thirty".