8477805772799 has 24 divisors (see below), whose sum is σ = 9329214478080. Its totient is φ = 7698304373760.

The previous prime is 8477805772769. The next prime is 8477805772801. The reversal of 8477805772799 is 9972775087748.

It is not a de Polignac number, because 8477805772799 - 2¹² = 8477805768703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8477805772769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970329359 + ... + 970338095.

It is an arithmetic number, because the mean of its divisors is an integer number (388717269920).

Almost surely, 2^{8477805772799} is an apocalyptic number.

8477805772799 is a deficient number, since it is larger than the sum of its proper divisors (851408705281).

8477805772799 is a wasteful number, since it uses less digits than its factorization.

8477805772799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991 (or 16980 counting only the distinct ones).

The product of its (nonzero) digits is 3485099520, while the sum is 80.

The spelling of 8477805772799 in words is "eight trillion, four hundred seventy-seven billion, eight hundred five million, seven hundred seventy-two thousand, seven hundred ninety-nine".