878237225081 has 8 divisors (see below), whose sum is σ = 879274704000. Its totient is φ = 877199909040.

The previous prime is 878237225069. The next prime is 878237225101. The reversal of 878237225081 is 180522732878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878237225081 - 2¹⁸ = 878236962937 is a prime.

It is a super-2 number, since 2×878237225081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878237225011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13294070 + ... + 13359968.

It is an arithmetic number, because the mean of its divisors is an integer number (109909338000).

Almost surely, 2^878237225081 is an apocalyptic number.

It is an amenable number.

878237225081 is a deficient number, since it is larger than the sum of its proper divisors (1037478919).

878237225081 is a wasteful number, since it uses less digits than its factorization.

878237225081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81439.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 878237225081 in words is "eight hundred seventy-eight billion, two hundred thirty-seven million, two hundred twenty-five thousand, eighty-one".