78975652 has 36 divisors (see below), whose sum is σ = 167771520. Its totient is φ = 32373264.

The previous prime is 78975599. The next prime is 78975653. The reversal of 78975652 is 25657987.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 78975596 and 78975605.

It is not an unprimeable number, because it can be changed into a prime (78975653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4252 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (4660320).

Almost surely, 2^78975652 is an apocalyptic number.

It is an amenable number.

78975652 is an abundant number, since it is smaller than the sum of its proper divisors (88795868).

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

78975652 is a wasteful number, since it uses less digits than its factorization.

78975652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17560 (or 17551 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 78975652 is about 8886.8246297539. The cubic root of 78975652 is about 429.0399565771.

The spelling of 78975652 in words is "seventy-eight million, nine hundred seventy-five thousand, six hundred fifty-two".