900250978 has 16 divisors (see below), whose sum is σ = 1491788160. Its totient is φ = 404024400.

The previous prime is 900250957. The next prime is 900250987. The reversal of 900250978 is 879052009.

It is a self number, because there is not a number n which added to its sum of digits gives 900250978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257253 + ... + 260728.

It is an arithmetic number, because the mean of its divisors is an integer number (93236760).

Almost surely, 2^900250978 is an apocalyptic number.

900250978 is a deficient number, since it is larger than the sum of its proper divisors (591537182).

900250978 is a wasteful number, since it uses less digits than its factorization.

900250978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518073.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 900250978 is about 30004.1826750872. The cubic root of 900250978 is about 965.5791231515.

The spelling of 900250978 in words is "nine hundred million, two hundred fifty thousand, nine hundred seventy-eight".