77936806 has 8 divisors (see below), whose sum is σ = 123782040. Its totient is φ = 36676128.

The previous prime is 77936801. The next prime is 77936809. The reversal of 77936806 is 60863977.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77936801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146096 + ... + 1146163.

It is an arithmetic number, because the mean of its divisors is an integer number (15472755).

Almost surely, 2^77936806 is an apocalyptic number.

77936806 is a deficient number, since it is larger than the sum of its proper divisors (45845234).

77936806 is a wasteful number, since it uses less digits than its factorization.

77936806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292278.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 77936806 is about 8828.1824856535. The cubic root of 77936806 is about 427.1504496469.

The spelling of 77936806 in words is "seventy-seven million, nine hundred thirty-six thousand, eight hundred six".