869379756754401 has 40 divisors (see below), whose sum is σ = 1355179332735360. Its totient is φ = 554382637319808.

The previous prime is 869379756754357. The next prime is 869379756754417. The reversal of 869379756754401 is 104457657973968.

869379756754401 is a `hidden beast` number, since 8 + 6 + 9 + 3 + 7 + 9 + 7 + 5 + 67 + 544 + 0 + 1 = 666.

It is not a de Polignac number, because 869379756754401 - 2²² = 869379752560097 is a prime.

It is a super-2 number, since 2×869379756754401² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (869379756754451) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 238336185 + ... + 241956393.

It is an arithmetic number, because the mean of its divisors is an integer number (33879483318384).

Almost surely, 2^{869379756754401} is an apocalyptic number.

869379756754401 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

869379756754401 is a deficient number, since it is larger than the sum of its proper divisors (485799575980959).

869379756754401 is a wasteful number, since it uses less digits than its factorization.

869379756754401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749147 (or 3749138 counting only the distinct ones).

The product of its (nonzero) digits is 9601804800, while the sum is 81.

The spelling of 869379756754401 in words is "eight hundred sixty-nine trillion, three hundred seventy-nine billion, seven hundred fifty-six million, seven hundred fifty-four thousand, four hundred one".