78884752 has 10 divisors (see below), whose sum is σ = 152839238. Its totient is φ = 39442368.

The previous prime is 78884731. The next prime is 78884761. The reversal of 78884752 is 25748887.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 4511376 = 8624^2 + 2124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78884696 and 78884705.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2465133 + ... + 2465164.

Almost surely, 2^78884752 is an apocalyptic number.

It is an amenable number.

78884752 is a deficient number, since it is larger than the sum of its proper divisors (73954486).

78884752 is a wasteful number, since it uses less digits than its factorization.

78884752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930305 (or 4930299 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 49.

The square root of 78884752 is about 8881.7088445862. The cubic root of 78884752 is about 428.8752868197.

The spelling of 78884752 in words is "seventy-eight million, eight hundred eighty-four thousand, seven hundred fifty-two".