78750930 has 32 divisors (see below), whose sum is σ = 190776384. Its totient is φ = 20803136.

The previous prime is 78750923. The next prime is 78750941. The reversal of 78750930 is 3905787.

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, 9057 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (5961762).

Almost surely, 2^78750930 is an apocalyptic number.

78750930 is an abundant number, since it is smaller than the sum of its proper divisors (112025454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78750930 is a wasteful number, since it uses less digits than its factorization.

78750930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24650.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 78750930 is about 8874.1720740585. The cubic root of 78750930 is about 428.6326314181.

The spelling of 78750930 in words is "seventy-eight million, seven hundred fifty thousand, nine hundred thirty".