78984704 has 20 divisors (see below), whose sum is σ = 157816164. Its totient is φ = 39492096.

The previous prime is 78984701. The next prime is 78984733. The reversal of 78984704 is 40748987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78984701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76622 + ... + 77645.

Almost surely, 2^78984704 is an apocalyptic number.

It is an amenable number.

78984704 is a deficient number, since it is larger than the sum of its proper divisors (78831460).

78984704 is an equidigital number, since it uses as much as digits as its factorization.

78984704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154285 (or 154269 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 78984704 is about 8887.3339084340. Note that the first 3 decimals coincide. The cubic root of 78984704 is about 429.0563477948.

The spelling of 78984704 in words is "seventy-eight million, nine hundred eighty-four thousand, seven hundred four".