80500774 has 4 divisors (see below), whose sum is σ = 120751164. Its totient is φ = 40250386.

The previous prime is 80500741. The next prime is 80500793. The reversal of 80500774 is 47700508.

It is a happy number.

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

It is a super-2 number, since 2×80500774² = 12960749229198152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125192 + ... + 20125195.

It is an arithmetic number, because the mean of its divisors is an integer number (30187791).

Almost surely, 2^80500774 is an apocalyptic number.

80500774 is a deficient number, since it is larger than the sum of its proper divisors (40250390).

80500774 is a wasteful number, since it uses less digits than its factorization.

80500774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40250389.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 80500774 is about 8972.2223556932. Note that the first 3 decimals coincide. The cubic root of 80500774 is about 431.7841392708.

The spelling of 80500774 in words is "eighty million, five hundred thousand, seven hundred seventy-four".