900799779 has 32 divisors (see below), whose sum is σ = 1336262400. Its totient is φ = 535196160.

The previous prime is 900799751. The next prime is 900799811. The reversal of 900799779 is 977997009.

900799779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 900799779 - 2⁷ = 900799651 is a prime.

It is a super-2 number, since 2×900799779² = 1622880483692897682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (900799729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430167 + ... + 432255.

It is an arithmetic number, because the mean of its divisors is an integer number (41758200).

Almost surely, 2^900799779 is an apocalyptic number.

900799779 is a deficient number, since it is larger than the sum of its proper divisors (435462621).

900799779 is a wasteful number, since it uses less digits than its factorization.

900799779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 2250423, while the sum is 57.

The square root of 900799779 is about 30013.3266899889. The cubic root of 900799779 is about 965.7752918342.

The spelling of 900799779 in words is "nine hundred million, seven hundred ninety-nine thousand, seven hundred seventy-nine".