901966878 has 12 divisors (see below), whose sum is σ = 1954261608. Its totient is φ = 300655620.

The previous prime is 901966853. The next prime is 901966927. The reversal of 901966878 is 878669109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25054618 + ... + 25054653.

It is an arithmetic number, because the mean of its divisors is an integer number (162855134).

Almost surely, 2^901966878 is an apocalyptic number.

901966878 is an abundant number, since it is smaller than the sum of its proper divisors (1052294730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

901966878 is a wasteful number, since it uses less digits than its factorization.

901966878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50109279 (or 50109276 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 901966878 is about 30032.7634093168. The cubic root of 901966878 is about 966.1922061376.

The spelling of 901966878 in words is "nine hundred one million, nine hundred sixty-six thousand, eight hundred seventy-eight".