78958652 has 12 divisors (see below), whose sum is σ = 138350520. Its totient is φ = 39429936.

The previous prime is 78958651. The next prime is 78958657. The reversal of 78958652 is 25685987.

It is a self number, because there is not a number n which added to its sum of digits gives 78958652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78958651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8627 + ... + 15242.

It is an arithmetic number, because the mean of its divisors is an integer number (11529210).

Almost surely, 2^78958652 is an apocalyptic number.

It is an amenable number.

78958652 is a deficient number, since it is larger than the sum of its proper divisors (59391868).

78958652 is a wasteful number, since it uses less digits than its factorization.

78958652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24700 (or 24698 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 78958652 is about 8885.8681061560. The cubic root of 78958652 is about 429.0091698621.

The spelling of 78958652 in words is "seventy-eight million, nine hundred fifty-eight thousand, six hundred fifty-two".