8461077631 has 2 divisors, whose sum is σ = 8461077632. Its totient is φ = 8461077630.

The previous prime is 8461077619. The next prime is 8461077697. The reversal of 8461077631 is 1367701648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8461077631 - 2²⁷ = 8326859903 is a prime.

It is a super-2 number, since 2×8461077631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8461077731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230538815 + 4230538816.

It is an arithmetic number, because the mean of its divisors is an integer number (4230538816).

Almost surely, 2^8461077631 is an apocalyptic number.

8461077631 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461077631 is an equidigital number, since it uses as much as digits as its factorization.

8461077631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 8461077631 is about 91984.1161886116. The cubic root of 8461077631 is about 2037.7077314442.

The spelling of 8461077631 in words is "eight billion, four hundred sixty-one million, seventy-seven thousand, six hundred thirty-one".