80890356290 has 8 divisors (see below), whose sum is σ = 145602641340. Its totient is φ = 32356142512.

The previous prime is 80890356289. The next prime is 80890356343. The reversal of 80890356290 is 9265309808.

It can be written as a sum of positive squares in 2 ways, for example, as 73477318489 + 7413037801 = 271067^2 + 86099^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044517805 + ... + 4044517824.

Almost surely, 2^80890356290 is an apocalyptic number.

80890356290 is a deficient number, since it is larger than the sum of its proper divisors (64712285050).

80890356290 is a wasteful number, since it uses less digits than its factorization.

80890356290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089035636.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 80890356290 in words is "eighty billion, eight hundred ninety million, three hundred fifty-six thousand, two hundred ninety".