77675622431 has 8 divisors (see below), whose sum is σ = 87659010000. Its totient is φ = 68179229440.

The previous prime is 77675622419. The next prime is 77675622463. The reversal of 77675622431 is 13422657677.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77675622431 is a prime.

It is a super-2 number, since 2×77675622431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77675622431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77675622481) 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 7 ways as a sum of consecutive naturals, for example, 121748306 + ... + 121748943.

It is an arithmetic number, because the mean of its divisors is an integer number (10957376250).

Almost surely, 2^77675622431 is an apocalyptic number.

77675622431 is a deficient number, since it is larger than the sum of its proper divisors (9983387569).

77675622431 is a wasteful number, since it uses less digits than its factorization.

77675622431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243497289.

The product of its digits is 2963520, while the sum is 50.

The spelling of 77675622431 in words is "seventy-seven billion, six hundred seventy-five million, six hundred twenty-two thousand, four hundred thirty-one".