80457656665654 has 48 divisors (see below), whose sum is σ = 125683737978960. Its totient is φ = 38603287923200.

The previous prime is 80457656665643. The next prime is 80457656665679. The reversal of 80457656665654 is 45656665675408.

It is a super-3 number, since 3×80457656665654³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158760837 + ... + 159266815.

It is an arithmetic number, because the mean of its divisors is an integer number (2618411207895).

Almost surely, 2^{80457656665654} is an apocalyptic number.

80457656665654 is a deficient number, since it is larger than the sum of its proper divisors (45226081313306).

80457656665654 is a wasteful number, since it uses less digits than its factorization.

80457656665654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506397 (or 506266 counting only the distinct ones).

The product of its (nonzero) digits is 4354560000, while the sum is 73.

The spelling of 80457656665654 in words is "eighty trillion, four hundred fifty-seven billion, six hundred fifty-six million, six hundred sixty-five thousand, six hundred fifty-four".