82754515251 has 12 divisors (see below), whose sum is σ = 122449771080. Its totient is φ = 53824074720.

The previous prime is 82754515243. The next prime is 82754515321. The reversal of 82754515251 is 15251545728.

It is a happy number.

82754515251 is a `hidden beast` number, since 8 + 2 + 7 + 545 + 1 + 52 + 51 = 666.

It is not a de Polignac number, because 82754515251 - 2³ = 82754515243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82754515197 and 82754515206.

It is not an unprimeable number, because it can be changed into a prime (82754515451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112133121 + ... + 112133858.

It is an arithmetic number, because the mean of its divisors is an integer number (10204147590).

Almost surely, 2^82754515251 is an apocalyptic number.

82754515251 is a deficient number, since it is larger than the sum of its proper divisors (39695255829).

82754515251 is a wasteful number, since it uses less digits than its factorization.

82754515251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224267026 (or 224267023 counting only the distinct ones).

The product of its digits is 560000, while the sum is 45.

The spelling of 82754515251 in words is "eighty-two billion, seven hundred fifty-four million, five hundred fifteen thousand, two hundred fifty-one".