77800431225463 has 8 divisors (see below), whose sum is σ = 82736651756880. Its totient is φ = 72904180091520.

The previous prime is 77800431225449. The next prime is 77800431225479. The reversal of 77800431225463 is 36452213400877.

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 77800431225463 - 2²¹ = 77800429128311 is a prime.

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 77800431225463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77800431225493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9992345353 + ... + 9992353138.

It is an arithmetic number, because the mean of its divisors is an integer number (10342081469610).

Almost surely, 2^{77800431225463} is an apocalyptic number.

77800431225463 is a deficient number, since it is larger than the sum of its proper divisors (4936220531417).

77800431225463 is a wasteful number, since it uses less digits than its factorization.

77800431225463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19984698737.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 77800431225463 in words is "seventy-seven trillion, eight hundred billion, four hundred thirty-one million, two hundred twenty-five thousand, four hundred sixty-three".