90082719009 has 24 divisors (see below), whose sum is σ = 131671800000. Its totient is φ = 59341082400.

The previous prime is 90082718989. The next prime is 90082719017. The reversal of 90082719009 is 90091728009.

It is not a de Polignac number, because 90082719009 - 2⁸ = 90082718753 is a prime.

It is a super-2 number, since 2×90082719009² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90082719019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354292 + ... + 552890.

It is an arithmetic number, because the mean of its divisors is an integer number (5486325000).

Almost surely, 2^90082719009 is an apocalyptic number.

It is an amenable number.

90082719009 is a deficient number, since it is larger than the sum of its proper divisors (41589080991).

90082719009 is a wasteful number, since it uses less digits than its factorization.

90082719009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199205 (or 199202 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 90082719009 in words is "ninety billion, eighty-two million, seven hundred nineteen thousand, nine".