900157793 has 4 divisors (see below), whose sum is σ = 924486420. Its totient is φ = 875829168.

The previous prime is 900157781. The next prime is 900157849. The reversal of 900157793 is 397751009.

900157793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 648364369 + 251793424 = 25463^2 + 15868^2 .

It is a cyclic number.

It is not a de Polignac number, because 900157793 - 2⁸ = 900157537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900157793.

It is not an unprimeable number, because it can be changed into a prime (900157703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12164258 + ... + 12164331.

It is an arithmetic number, because the mean of its divisors is an integer number (231121605).

Almost surely, 2^900157793 is an apocalyptic number.

It is an amenable number.

900157793 is a deficient number, since it is larger than the sum of its proper divisors (24328627).

900157793 is a wasteful number, since it uses less digits than its factorization.

900157793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24328626.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 900157793 is about 30002.6297680720. The cubic root of 900157793 is about 965.5458062959.

The spelling of 900157793 in words is "nine hundred million, one hundred fifty-seven thousand, seven hundred ninety-three".