80261299576 has 16 divisors (see below), whose sum is σ = 150640894440. Its totient is φ = 40090394400.

The previous prime is 80261299553. The next prime is 80261299621. The reversal of 80261299576 is 67599216208.

It is a congruent 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, 5023450 + ... + 5039401.

Almost surely, 2^80261299576 is an apocalyptic number.

It is an amenable number.

80261299576 is a deficient number, since it is larger than the sum of its proper divisors (70379594864).

80261299576 is a wasteful number, since it uses less digits than its factorization.

80261299576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063854 (or 10063850 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 80261299576 in words is "eighty billion, two hundred sixty-one million, two hundred ninety-nine thousand, five hundred seventy-six".