77531032463 has 8 divisors (see below), whose sum is σ = 78726166320. Its totient is φ = 76337015040.

The previous prime is 77531032459. The next prime is 77531032471. The reversal of 77531032463 is 36423013577.

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

It is a cyclic number.

It is not a de Polignac number, because 77531032463 - 2² = 77531032459 is a prime.

It is a super-2 number, since 2×77531032463² (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 77531032463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77531032763) 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, 138608 + ... + 417461.

It is an arithmetic number, because the mean of its divisors is an integer number (9840770790).

Almost surely, 2^77531032463 is an apocalyptic number.

77531032463 is a deficient number, since it is larger than the sum of its proper divisors (1195133857).

77531032463 is a wasteful number, since it uses less digits than its factorization.

77531032463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558217.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 77531032463 in words is "seventy-seven billion, five hundred thirty-one million, thirty-two thousand, four hundred sixty-three".