90907270909 has 8 divisors (see below), whose sum is σ = 111885872000. Its totient is φ = 71926631856.

The previous prime is 90907270901. The next prime is 90907270967.

90907270909 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90907270909 - 2³ = 90907270901 is a prime.

It is a super-3 number, since 3×90907270909³ (a number of 34 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90907270901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499490409 + ... + 499490590.

It is an arithmetic number, because the mean of its divisors is an integer number (13985734000).

Almost surely, 2^90907270909 is an apocalyptic number.

It is an amenable number.

90907270909 is a deficient number, since it is larger than the sum of its proper divisors (20978601091).

90907270909 is a wasteful number, since it uses less digits than its factorization.

90907270909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998981019.

The product of its (nonzero) digits is 642978, while the sum is 52.

The spelling of 90907270909 in words is "ninety billion, nine hundred seven million, two hundred seventy thousand, nine hundred nine".