78008528 has 40 divisors (see below), whose sum is σ = 171343200. Its totient is φ = 34107264.

The previous prime is 78008519. The next prime is 78008549. The reversal of 78008528 is 82580087.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 78008491 and 78008500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5918 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (4283580).

Almost surely, 2^78008528 is an apocalyptic number.

It is an amenable number.

78008528 is an abundant number, since it is smaller than the sum of its proper divisors (93334672).

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

78008528 is a wasteful number, since it uses less digits than its factorization.

78008528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19779 (or 19773 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 78008528 is about 8832.2436560593. The cubic root of 78008528 is about 427.2814390695.

The spelling of 78008528 in words is "seventy-eight million, eight thousand, five hundred twenty-eight".