90065247009 has 8 divisors (see below), whose sum is σ = 120470661792. Its totient is φ = 59851665120.

The previous prime is 90065247001. The next prime is 90065247043. The reversal of 90065247009 is 90074256009.

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

It is not a de Polignac number, because 90065247009 - 2³ = 90065247001 is a prime.

It is a super-2 number, since 2×90065247009² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90065247001) 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, 47957127 + ... + 47959004.

It is an arithmetic number, because the mean of its divisors is an integer number (15058832724).

Almost surely, 2^90065247009 is an apocalyptic number.

It is an amenable number.

90065247009 is a deficient number, since it is larger than the sum of its proper divisors (30405414783).

90065247009 is a wasteful number, since it uses less digits than its factorization.

90065247009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95916447.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 90065247009 in words is "ninety billion, sixty-five million, two hundred forty-seven thousand, nine".