80715938 has 8 divisors (see below), whose sum is σ = 121113900. Its totient is φ = 40344640.

The previous prime is 80715937. The next prime is 80716001. The reversal of 80715938 is 83951708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62457409 + 18258529 = 7903^2 + 4273^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 80715895 and 80715904.

It is not an unprimeable number, because it can be changed into a prime (80715937) 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, 4958 + ... + 13638.

Almost surely, 2^80715938 is an apocalyptic number.

80715938 is a deficient number, since it is larger than the sum of its proper divisors (40397962).

80715938 is a wasteful number, since it uses less digits than its factorization.

80715938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 80715938 is about 8984.2049175205. The cubic root of 80715938 is about 432.1684906603.

The spelling of 80715938 in words is "eighty million, seven hundred fifteen thousand, nine hundred thirty-eight".