863477774368 has 48 divisors (see below), whose sum is σ = 1854709557120. Its totient is φ = 392448672000.

The previous prime is 863477774359. The next prime is 863477774371.

It is a happy number.

863477774368 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 863477774297 and 863477774306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3361273 + ... + 3609031.

It is an arithmetic number, because the mean of its divisors is an integer number (38639782440).

Almost surely, 2^863477774368 is an apocalyptic number.

863477774368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

863477774368 is an abundant number, since it is smaller than the sum of its proper divisors (991231782752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863477774368 is a wasteful number, since it uses less digits than its factorization.

863477774368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257681 (or 257673 counting only the distinct ones).

The product of its digits is 796594176, while the sum is 70.

The spelling of 863477774368 in words is "eight hundred sixty-three billion, four hundred seventy-seven million, seven hundred seventy-four thousand, three hundred sixty-eight".