78652416 has 44 divisors (see below), whose sum is σ = 209645552. Its totient is φ = 26216448.

The previous prime is 78652411. The next prime is 78652423. The reversal of 78652416 is 61425687.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (78652411) 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, 9730 + ... + 15873.

Almost surely, 2^78652416 is an apocalyptic number.

It is an amenable number.

78652416 is an abundant number, since it is smaller than the sum of its proper divisors (130993136).

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

78652416 is a wasteful number, since it uses less digits than its factorization.

78652416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25626 (or 25608 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 78652416 is about 8868.6197347727. The cubic root of 78652416 is about 428.4538232226.

The spelling of 78652416 in words is "seventy-eight million, six hundred fifty-two thousand, four hundred sixteen".