80377818537 has 8 divisors (see below), whose sum is σ = 107404935136. Its totient is φ = 53467957152.

The previous prime is 80377818527. The next prime is 80377818611. The reversal of 80377818537 is 73581877308.

It is a happy number.

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

It is not a de Polignac number, because 80377818537 - 2²⁶ = 80310709673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80377818527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29312203 + ... + 29314944.

It is an arithmetic number, because the mean of its divisors is an integer number (13425616892).

Almost surely, 2^80377818537 is an apocalyptic number.

It is an amenable number.

80377818537 is a deficient number, since it is larger than the sum of its proper divisors (27027116599).

80377818537 is a wasteful number, since it uses less digits than its factorization.

80377818537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58627607.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 80377818537 in words is "eighty billion, three hundred seventy-seven million, eight hundred eighteen thousand, five hundred thirty-seven".