78693264 has 120 divisors (see below), whose sum is σ = 239762432. Its totient is φ = 23950080.

The previous prime is 78693253. The next prime is 78693271. The reversal of 78693264 is 46239687.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237579 + ... + 237909.

Almost surely, 2^78693264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78693264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119881216).

78693264 is an abundant number, since it is smaller than the sum of its proper divisors (161069168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78693264 is a wasteful number, since it uses less digits than its factorization.

78693264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 476 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 78693264 is about 8870.9223872154. The cubic root of 78693264 is about 428.5279826435.

The spelling of 78693264 in words is "seventy-eight million, six hundred ninety-three thousand, two hundred sixty-four".