78104612 has 12 divisors (see below), whose sum is σ = 136770816. Its totient is φ = 39027240.

The previous prime is 78104597. The next prime is 78104617. The reversal of 78104612 is 21640187.

It is a super-2 number, since 2×78104612² = 12200660831341088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78104617) 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 3 ways as a sum of consecutive naturals, for example, 1937 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (11397568).

Almost surely, 2^78104612 is an apocalyptic number.

It is an amenable number.

78104612 is a deficient number, since it is larger than the sum of its proper divisors (58666204).

78104612 is a wasteful number, since it uses less digits than its factorization.

78104612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12538 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 78104612 is about 8837.6813701332. The cubic root of 78104612 is about 427.4567962449.

Adding to 78104612 its reverse (21640187), we get a palindrome (99744799).

The spelling of 78104612 in words is "seventy-eight million, one hundred four thousand, six hundred twelve".