78974203430 has 64 divisors (see below), whose sum is σ = 145846407168. Its totient is φ = 30778151040.

The previous prime is 78974203411. The next prime is 78974203433. The reversal of 78974203430 is 3430247987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78974203433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81668807 + ... + 81669773.

It is an arithmetic number, because the mean of its divisors is an integer number (2278850112).

Almost surely, 2^78974203430 is an apocalyptic number.

78974203430 is a deficient number, since it is larger than the sum of its proper divisors (66872203738).

78974203430 is a wasteful number, since it uses less digits than its factorization.

78974203430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 78974203430 in words is "seventy-eight billion, nine hundred seventy-four million, two hundred three thousand, four hundred thirty".