78625792 has 66 divisors (see below), whose sum is σ = 182952672. Its totient is φ = 33675264.

The previous prime is 78625787. The next prime is 78625829. The reversal of 78625792 is 29752687.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49393 + ... + 50959.

Almost surely, 2^78625792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78625792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91476336).

78625792 is an abundant number, since it is smaller than the sum of its proper divisors (104326880).

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

78625792 is a wasteful number, since it uses less digits than its factorization.

78625792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1576 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 78625792 is about 8867.1185849745. The cubic root of 78625792 is about 428.4054736083.

The spelling of 78625792 in words is "seventy-eight million, six hundred twenty-five thousand, seven hundred ninety-two".