869394097152 has 176 divisors, whose sum is σ = 2942543176320. Its totient is φ = 248398258176.

The previous prime is 869394097147. The next prime is 869394097153. The reversal of 869394097152 is 251790493968.

869394097152 is a `hidden beast` number, since 8 + 6 + 9 + 394 + 0 + 97 + 152 = 666.

It is a super-2 number, since 2×869394097152² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 869394097152.

It is not an unprimeable number, because it can be changed into a prime (869394097153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052543 + ... + 2439614.

It is an arithmetic number, because the mean of its divisors is an integer number (16718995320).

It is a 1-persistent number, because it is pandigital, but 2⋅869394097152 = 1738788194304 is not.

Almost surely, 2^869394097152 is an apocalyptic number.

It is an amenable number.

869394097152 is an abundant number, since it is smaller than the sum of its proper divisors (2073149079168).

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

869394097152 is a wasteful number, since it uses less digits than its factorization.

869394097152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492193 (or 4492169 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 869394097152 in words is "eight hundred sixty-nine billion, three hundred ninety-four million, ninety-seven thousand, one hundred fifty-two".