76939844 has 6 divisors (see below), whose sum is σ = 134644734. Its totient is φ = 38469920.

The previous prime is 76939831. The next prime is 76939859. The reversal of 76939844 is 44893967.

It can be written as a sum of positive squares in only one way, i.e., 67404100 + 9535744 = 8210^2 + 3088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76939792 and 76939801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9617477 + ... + 9617484.

It is an arithmetic number, because the mean of its divisors is an integer number (22440789).

Almost surely, 2^76939844 is an apocalyptic number.

It is an amenable number.

76939844 is a deficient number, since it is larger than the sum of its proper divisors (57704890).

76939844 is a wasteful number, since it uses less digits than its factorization.

76939844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19234965 (or 19234963 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 76939844 is about 8771.5360114406. The cubic root of 76939844 is about 425.3212685023.

The spelling of 76939844 in words is "seventy-six million, nine hundred thirty-nine thousand, eight hundred forty-four".