80072100097 has 4 divisors (see below), whose sum is σ = 87351381936. Its totient is φ = 72792818260.

The previous prime is 80072100077. The next prime is 80072100103. The reversal of 80072100097 is 79000127008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80072100097 - 2¹¹ = 80072098049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80072100037) 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, 3639640903 + ... + 3639640924.

It is an arithmetic number, because the mean of its divisors is an integer number (21837845484).

Almost surely, 2^80072100097 is an apocalyptic number.

It is an amenable number.

80072100097 is a deficient number, since it is larger than the sum of its proper divisors (7279281839).

80072100097 is a wasteful number, since it uses less digits than its factorization.

80072100097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279281838.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 80072100097 in words is "eighty billion, seventy-two million, one hundred thousand, ninety-seven".