452768657878 has 32 divisors (see below), whose sum is σ = 719099596800. Its totient is φ = 213212290464.

The previous prime is 452768657857. The next prime is 452768657881. The reversal of 452768657878 is 878756867254.

It is a super-2 number, since 2×452768657878² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 452768657878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4726251 + ... + 4821097.

It is an arithmetic number, because the mean of its divisors is an integer number (22471862400).

Almost surely, 2^452768657878 is an apocalyptic number.

452768657878 is a deficient number, since it is larger than the sum of its proper divisors (266330938922).

452768657878 is a wasteful number, since it uses less digits than its factorization.

452768657878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95604.

The product of its digits is 1264435200, while the sum is 73.

The spelling of 452768657878 in words is "four hundred fifty-two billion, seven hundred sixty-eight million, six hundred fifty-seven thousand, eight hundred seventy-eight".