78334552 has 16 divisors (see below), whose sum is σ = 146971440. Its totient is φ = 39142176.

The previous prime is 78334541. The next prime is 78334561. The reversal of 78334552 is 25543387.

It is a super-2 number, since 2×78334552² = 12272604074081408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21538 + ... + 24910.

It is an arithmetic number, because the mean of its divisors is an integer number (9185715).

Almost surely, 2^78334552 is an apocalyptic number.

It is an amenable number.

78334552 is a deficient number, since it is larger than the sum of its proper divisors (68636888).

78334552 is a wasteful number, since it uses less digits than its factorization.

78334552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282 (or 6278 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 78334552 is about 8850.6808777630. The cubic root of 78334552 is about 427.8758629128.

The spelling of 78334552 in words is "seventy-eight million, three hundred thirty-four thousand, five hundred fifty-two".