900840771 has 10 divisors (see below), whose sum is σ = 1345700532. Its totient is φ = 600560460.

The previous prime is 900840767. The next prime is 900840779. The reversal of 900840771 is 177048009.

It is not a de Polignac number, because 900840771 - 2² = 900840767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (900840779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5560665 + ... + 5560826.

Almost surely, 2^900840771 is an apocalyptic number.

900840771 is a deficient number, since it is larger than the sum of its proper divisors (444859761).

900840771 is a wasteful number, since it uses less digits than its factorization.

900840771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121503 (or 11121494 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 900840771 is about 30014.0095788617. The cubic root of 900840771 is about 965.7899412088.

The spelling of 900840771 in words is "nine hundred million, eight hundred forty thousand, seven hundred seventy-one".