900665697 has 4 divisors (see below), whose sum is σ = 1200887600. Its totient is φ = 600443796.

The previous prime is 900665693. The next prime is 900665699. The reversal of 900665697 is 796566009.

900665697 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 900665697 - 2² = 900665693 is a prime.

It is a super-2 number, since 2×900665697² = 1622397395504991618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900665693) 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, 150110947 + ... + 150110952.

It is an arithmetic number, because the mean of its divisors is an integer number (300221900).

Almost surely, 2^900665697 is an apocalyptic number.

It is an amenable number.

900665697 is a deficient number, since it is larger than the sum of its proper divisors (300221903).

900665697 is a wasteful number, since it uses less digits than its factorization.

900665697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300221902.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 900665697 is about 30011.0928991265. The cubic root of 900665697 is about 965.7273716373.

The spelling of 900665697 in words is "nine hundred million, six hundred sixty-five thousand, six hundred ninety-seven".