901878872 has 16 divisors (see below), whose sum is σ = 1691410560. Its totient is φ = 450836064.

The previous prime is 901878869. The next prime is 901878881. The reversal of 901878872 is 278878109.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 901878872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34313 + ... + 54599.

It is an arithmetic number, because the mean of its divisors is an integer number (105713160).

Almost surely, 2^901878872 is an apocalyptic number.

It is an amenable number.

901878872 is a deficient number, since it is larger than the sum of its proper divisors (789531688).

901878872 is a wasteful number, since it uses less digits than its factorization.

901878872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25850 (or 25846 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 50.

The square root of 901878872 is about 30031.2982070373. The cubic root of 901878872 is about 966.1607809345.

The spelling of 901878872 in words is "nine hundred one million, eight hundred seventy-eight thousand, eight hundred seventy-two".