78652412 has 12 divisors (see below), whose sum is σ = 138234096. Its totient is φ = 39156960.

The previous prime is 78652411. The next prime is 78652423. The reversal of 78652412 is 21425687.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78652411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41264 + ... + 43127.

It is an arithmetic number, because the mean of its divisors is an integer number (11519508).

Almost surely, 2^78652412 is an apocalyptic number.

It is an amenable number.

78652412 is a deficient number, since it is larger than the sum of its proper divisors (59581684).

78652412 is a wasteful number, since it uses less digits than its factorization.

78652412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84628 (or 84626 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 78652412 is about 8868.6195092585. The cubic root of 78652412 is about 428.4538159594.

The spelling of 78652412 in words is "seventy-eight million, six hundred fifty-two thousand, four hundred twelve".