78460806 has 16 divisors (see below), whose sum is σ = 157207104. Its totient is φ = 26106024.

The previous prime is 78460801. The next prime is 78460807. The reversal of 78460806 is 60806487.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78460801) 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, 8236 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (9825444).

Almost surely, 2^78460806 is an apocalyptic number.

78460806 is an abundant number, since it is smaller than the sum of its proper divisors (78746298).

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

78460806 is a wasteful number, since it uses less digits than its factorization.

78460806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23795.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 78460806 is about 8857.8104517990. The cubic root of 78460806 is about 428.1056127119.

The spelling of 78460806 in words is "seventy-eight million, four hundred sixty thousand, eight hundred six".