80680774 has 4 divisors (see below), whose sum is σ = 121021164. Its totient is φ = 40340386.

The previous prime is 80680763. The next prime is 80680777. The reversal of 80680774 is 47708608.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80680777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170192 + ... + 20170195.

It is an arithmetic number, because the mean of its divisors is an integer number (30255291).

Almost surely, 2^80680774 is an apocalyptic number.

80680774 is a deficient number, since it is larger than the sum of its proper divisors (40340390).

80680774 is a wasteful number, since it uses less digits than its factorization.

80680774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340389.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 80680774 is about 8982.2477142417. The cubic root of 80680774 is about 432.1057232955.

The spelling of 80680774 in words is "eighty million, six hundred eighty thousand, seven hundred seventy-four".