78799330 has 16 divisors (see below), whose sum is σ = 141994944. Its totient is φ = 31485040.

The previous prime is 78799321. The next prime is 78799337. The reversal of 78799330 is 3399787.

It is not an unprimeable number, because it can be changed into a prime (78799337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (8874684).

Almost surely, 2^78799330 is an apocalyptic number.

78799330 is a deficient number, since it is larger than the sum of its proper divisors (63195614).

78799330 is a wasteful number, since it uses less digits than its factorization.

78799330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8681.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 78799330 is about 8876.8986701438. The cubic root of 78799330 is about 428.7204253896.

The spelling of 78799330 in words is "seventy-eight million, seven hundred ninety-nine thousand, three hundred thirty".