90010009979999 has 8 divisors (see below), whose sum is σ = 90176044076880. Its totient is φ = 89844066100800.

The previous prime is 90010009979983. The next prime is 90010009980013. The reversal of 90010009979999 is 99997990001009.

It is a happy number.

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 90010009979999 - 2⁴ = 90010009979983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90010029979999) 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, 20557022 + ... + 24548139.

It is an arithmetic number, because the mean of its divisors is an integer number (11272005509610).

Almost surely, 2^{90010009979999} is an apocalyptic number.

90010009979999 is a deficient number, since it is larger than the sum of its proper divisors (166034096881).

90010009979999 is a wasteful number, since it uses less digits than its factorization.

90010009979999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45108841.

The product of its (nonzero) digits is 33480783, while the sum is 71.

The spelling of 90010009979999 in words is "ninety trillion, ten billion, nine million, nine hundred seventy-nine thousand, nine hundred ninety-nine".