77246054631 has 12 divisors (see below), whose sum is σ = 112921944408. Its totient is φ = 50876919024.

The previous prime is 77246054629. The next prime is 77246054693. The reversal of 77246054631 is 13645064277.

77246054631 is a `hidden beast` number, since 7 + 7 + 2 + 4 + 6 + 0 + 5 + 4 + 631 = 666.

It is not a de Polignac number, because 77246054631 - 2¹ = 77246054629 is a prime.

It is a super-2 number, since 2×77246054631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77246056631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51703440 + ... + 51704933.

It is an arithmetic number, because the mean of its divisors is an integer number (9410162034).

Almost surely, 2^77246054631 is an apocalyptic number.

77246054631 is a deficient number, since it is larger than the sum of its proper divisors (35675889777).

77246054631 is a wasteful number, since it uses less digits than its factorization.

77246054631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103408462 (or 103408459 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 77246054631 in words is "seventy-seven billion, two hundred forty-six million, fifty-four thousand, six hundred thirty-one".