78951384 has 48 divisors (see below), whose sum is σ = 225084600. Its totient is φ = 24931584.

The previous prime is 78951373. The next prime is 78951409. The reversal of 78951384 is 48315987.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27489 + ... + 30224.

Almost surely, 2^78951384 is an apocalyptic number.

It is an amenable number.

78951384 is an abundant number, since it is smaller than the sum of its proper divisors (146133216).

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

78951384 is a wasteful number, since it uses less digits than its factorization.

78951384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57744 (or 57737 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 78951384 is about 8885.4591327629. The cubic root of 78951384 is about 428.9960062875.

The spelling of 78951384 in words is "seventy-eight million, nine hundred fifty-one thousand, three hundred eighty-four".