78652975 has 12 divisors (see below), whose sum is σ = 98987464. Its totient is φ = 61981920.

The previous prime is 78652969. The next prime is 78652979. The reversal of 78652975 is 57925687.

It is not a de Polignac number, because 78652975 - 2¹¹ = 78650927 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78652979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21804 + ... + 25153.

Almost surely, 2^78652975 is an apocalyptic number.

78652975 is a deficient number, since it is larger than the sum of its proper divisors (20334489).

78652975 is a wasteful number, since it uses less digits than its factorization.

78652975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47034 (or 47029 counting only the distinct ones).

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

The square root of 78652975 is about 8868.6512503311. The cubic root of 78652975 is about 428.4548382587.

The spelling of 78652975 in words is "seventy-eight million, six hundred fifty-two thousand, nine hundred seventy-five".