874581157631 has 2 divisors, whose sum is σ = 874581157632. Its totient is φ = 874581157630.

The previous prime is 874581157591. The next prime is 874581157663. The reversal of 874581157631 is 136751185478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 874581157631 - 2¹⁰ = 874581156607 is a prime.

It is a super-2 number, since 2×874581157631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874581147631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437290578815 + 437290578816.

It is an arithmetic number, because the mean of its divisors is an integer number (437290578816).

Almost surely, 2^874581157631 is an apocalyptic number.

874581157631 is a deficient number, since it is larger than the sum of its proper divisors (1).

874581157631 is an equidigital number, since it uses as much as digits as its factorization.

874581157631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 56.

The spelling of 874581157631 in words is "eight hundred seventy-four billion, five hundred eighty-one million, one hundred fifty-seven thousand, six hundred thirty-one".