80236751049 has 96 divisors (see below), whose sum is σ = 144627485184. Its totient is φ = 41737420800.

The previous prime is 80236751003. The next prime is 80236751053. The reversal of 80236751049 is 94015763208.

It is not a de Polignac number, because 80236751049 - 2²³ = 80228362441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80236750995 and 80236751013.

It is not an unprimeable number, because it can be changed into a prime (80236751069) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21677899 + ... + 21681599.

It is an arithmetic number, because the mean of its divisors is an integer number (1506536304).

It is a 2-persistent number, because it is pandigital, and so is 2⋅80236751049 = 160473502098, but 3⋅80236751049 = 240710253147 is not.

Almost surely, 2^80236751049 is an apocalyptic number.

It is an amenable number.

80236751049 is a deficient number, since it is larger than the sum of its proper divisors (64390734135).

80236751049 is a wasteful number, since it uses less digits than its factorization.

With its successor (80236751050) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (4087).

80236751049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 80236751049 in words is "eighty billion, two hundred thirty-six million, seven hundred fifty-one thousand, forty-nine".