78964474 has 8 divisors (see below), whose sum is σ = 123596640. Its totient is φ = 37765596.

The previous prime is 78964463. The next prime is 78964481. The reversal of 78964474 is 47446987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858264 + ... + 858355.

It is an arithmetic number, because the mean of its divisors is an integer number (15449580).

Almost surely, 2^78964474 is an apocalyptic number.

78964474 is a deficient number, since it is larger than the sum of its proper divisors (44632166).

78964474 is a wasteful number, since it uses less digits than its factorization.

78964474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716644.

The product of its digits is 1354752, while the sum is 49.

The square root of 78964474 is about 8886.1956989479. The cubic root of 78964474 is about 429.0197139040.

The spelling of 78964474 in words is "seventy-eight million, nine hundred sixty-four thousand, four hundred seventy-four".