82567667481 has 16 divisors (see below), whose sum is σ = 118818155904. Its totient is φ = 50699677824.

The previous prime is 82567667473. The next prime is 82567667491. The reversal of 82567667481 is 18476676528.

It is not a de Polignac number, because 82567667481 - 2³ = 82567667473 is a prime.

It is a super-2 number, since 2×82567667481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82567667491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298501 + ... + 2334146.

It is an arithmetic number, because the mean of its divisors is an integer number (7426134744).

Almost surely, 2^82567667481 is an apocalyptic number.

It is an amenable number.

82567667481 is a deficient number, since it is larger than the sum of its proper divisors (36250488423).

82567667481 is a wasteful number, since it uses less digits than its factorization.

82567667481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633120.

The product of its digits is 27095040, while the sum is 60.

The spelling of 82567667481 in words is "eighty-two billion, five hundred sixty-seven million, six hundred sixty-seven thousand, four hundred eighty-one".