80695682 has 4 divisors (see below), whose sum is σ = 121043526. Its totient is φ = 40347840.

The previous prime is 80695639. The next prime is 80695691. The reversal of 80695682 is 28659608.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 47183161 + 33512521 = 6869^2 + 5789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20173919 + ... + 20173922.

Almost surely, 2^80695682 is an apocalyptic number.

80695682 is a deficient number, since it is larger than the sum of its proper divisors (40347844).

80695682 is a wasteful number, since it uses less digits than its factorization.

80695682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40347843.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 80695682 is about 8983.0775350099. The cubic root of 80695682 is about 432.1323361429.

The spelling of 80695682 in words is "eighty million, six hundred ninety-five thousand, six hundred eighty-two".