878371901 has 8 divisors (see below), whose sum is σ = 958500000. Its totient is φ = 798289840.

The previous prime is 878371891. The next prime is 878371903. The reversal of 878371901 is 109173878.

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 878371901 - 2¹⁰ = 878370877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878371903) 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, 37475 + ... + 56223.

It is an arithmetic number, because the mean of its divisors is an integer number (119812500).

Almost surely, 2^878371901 is an apocalyptic number.

It is an amenable number.

878371901 is a deficient number, since it is larger than the sum of its proper divisors (80128099).

878371901 is a wasteful number, since it uses less digits than its factorization.

878371901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23019.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 878371901 is about 29637.3396410677. The cubic root of 878371901 is about 957.6926288610.

The spelling of 878371901 in words is "eight hundred seventy-eight million, three hundred seventy-one thousand, nine hundred one".