80000698 has 4 divisors (see below), whose sum is σ = 120001050. Its totient is φ = 40000348.

The previous prime is 80000689. The next prime is 80000699. The reversal of 80000698 is 89600008.

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., 77668969 + 2331729 = 8813^2 + 1527^2 .

It is a super-2 number, since 2×80000698² = 12800223360974408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80000699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000173 + ... + 20000176.

Almost surely, 2^80000698 is an apocalyptic number.

80000698 is a deficient number, since it is larger than the sum of its proper divisors (40000352).

80000698 is a wasteful number, since it uses less digits than its factorization.

80000698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40000351.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 80000698 is about 8944.3109293003. The cubic root of 80000698 is about 430.8881911656. Note that the first 3 decimals are identical.

The spelling of 80000698 in words is "eighty million, six hundred ninety-eight", and thus it is an aban number.