82374827278531 has 2 divisors, whose sum is σ = 82374827278532. Its totient is φ = 82374827278530.

The previous prime is 82374827278493. The next prime is 82374827278559. The reversal of 82374827278531 is 13587272847328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82374827278531 - 2⁹ = 82374827278019 is a prime.

It is a super-2 number, since 2×82374827278531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82374827276531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41187413639265 + 41187413639266.

It is an arithmetic number, because the mean of its divisors is an integer number (41187413639266).

Almost surely, 2^{82374827278531} is an apocalyptic number.

82374827278531 is a deficient number, since it is larger than the sum of its proper divisors (1).

82374827278531 is an equidigital number, since it uses as much as digits as its factorization.

82374827278531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252887040, while the sum is 67.

The spelling of 82374827278531 in words is "eighty-two trillion, three hundred seventy-four billion, eight hundred twenty-seven million, two hundred seventy-eight thousand, five hundred thirty-one".