77007855463 has 12 divisors (see below), whose sum is σ = 97724255112. Its totient is φ = 60006120720.

The previous prime is 77007855427. The next prime is 77007855479. The reversal of 77007855463 is 36455870077.

It is not a de Polignac number, because 77007855463 - 2²¹ = 77005758311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77007855463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77007855403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71435320 + ... + 71436397.

It is an arithmetic number, because the mean of its divisors is an integer number (8143687926).

Almost surely, 2^77007855463 is an apocalyptic number.

77007855463 is a deficient number, since it is larger than the sum of its proper divisors (20716399649).

77007855463 is a wasteful number, since it uses less digits than its factorization.

77007855463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142871742 (or 142871735 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 77007855463 in words is "seventy-seven billion, seven million, eight hundred fifty-five thousand, four hundred sixty-three".