78576404 has 12 divisors (see below), whose sum is σ = 137670624. Its totient is φ = 39241944.

The previous prime is 78576403. The next prime is 78576439. The reversal of 78576404 is 40467587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78576401) 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, 7592 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (11472552).

Almost surely, 2^78576404 is an apocalyptic number.

It is an amenable number.

78576404 is a deficient number, since it is larger than the sum of its proper divisors (59094220).

78576404 is a wasteful number, since it uses less digits than its factorization.

78576404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23134 (or 23132 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 78576404 is about 8864.3332518583. Note that the first 3 decimals coincide. The cubic root of 78576404 is about 428.3157552914.

The spelling of 78576404 in words is "seventy-eight million, five hundred seventy-six thousand, four hundred four".