878462844425452 has 96 divisors (see below), whose sum is σ = 1901383298196480. Its totient is φ = 349139444497920.

The previous prime is 878462844425429. The next prime is 878462844425527. The reversal of 878462844425452 is 254524448264878.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75158973 + ... + 86056939.

It is an arithmetic number, because the mean of its divisors is an integer number (19806076022880).

Almost surely, 2^{878462844425452} is an apocalyptic number.

It is an amenable number.

878462844425452 is an abundant number, since it is smaller than the sum of its proper divisors (1022920453771028).

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

878462844425452 is a wasteful number, since it uses less digits than its factorization.

878462844425452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905431 (or 10905429 counting only the distinct ones).

The product of its digits is 4404019200, while the sum is 73.

The spelling of 878462844425452 in words is "eight hundred seventy-eight trillion, four hundred sixty-two billion, eight hundred forty-four million, four hundred twenty-five thousand, four hundred fifty-two".