80736261047 has 8 divisors (see below), whose sum is σ = 87243493344. Its totient is φ = 74271421728.

The previous prime is 80736261041. The next prime is 80736261061. The reversal of 80736261047 is 74016263708.

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

It is a cyclic number.

It is not a de Polignac number, because 80736261047 - 2²⁶ = 80669152183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80736260989 and 80736261007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80736261041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10594283 + ... + 10601900.

It is an arithmetic number, because the mean of its divisors is an integer number (10905436668).

Almost surely, 2^80736261047 is an apocalyptic number.

80736261047 is a deficient number, since it is larger than the sum of its proper divisors (6507232297).

80736261047 is a wasteful number, since it uses less digits than its factorization.

80736261047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196489.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 80736261047 in words is "eighty billion, seven hundred thirty-six million, two hundred sixty-one thousand, forty-seven".