80713898 has 4 divisors (see below), whose sum is σ = 121070850. Its totient is φ = 40356948.

The previous prime is 80713891. The next prime is 80713901. The reversal of 80713898 is 89831708.

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., 71791729 + 8922169 = 8473^2 + 2987^2 .

It is not an unprimeable number, because it can be changed into a prime (80713891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178473 + ... + 20178476.

Almost surely, 2^80713898 is an apocalyptic number.

80713898 is a deficient number, since it is larger than the sum of its proper divisors (40356952).

80713898 is a wasteful number, since it uses less digits than its factorization.

80713898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40356951.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 80713898 is about 8984.0913842191. The cubic root of 80713898 is about 432.1648497802.

The spelling of 80713898 in words is "eighty million, seven hundred thirteen thousand, eight hundred ninety-eight".