900978850 has 24 divisors (see below), whose sum is σ = 1676642688. Its totient is φ = 360214800.

The previous prime is 900978847. The next prime is 900978851. The reversal of 900978850 is 58879009.

It is a self number, because there is not a number n which added to its sum of digits gives 900978850.

It is not an unprimeable number, because it can be changed into a prime (900978851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156727 + ... + 162373.

It is an arithmetic number, because the mean of its divisors is an integer number (69860112).

Almost surely, 2^900978850 is an apocalyptic number.

900978850 is a deficient number, since it is larger than the sum of its proper divisors (775663838).

900978850 is a wasteful number, since it uses less digits than its factorization.

900978850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 900978850 is about 30016.3097332100. The cubic root of 900978850 is about 965.8392834458.

The spelling of 900978850 in words is "nine hundred million, nine hundred seventy-eight thousand, eight hundred fifty".