90810011697 has 8 divisors (see below), whose sum is σ = 122255550144. Its totient is φ = 59952240528.

The previous prime is 90810011687. The next prime is 90810011707. The reversal of 90810011697 is 79611001809.

It is an interprime number because it is at equal distance from previous prime (90810011687) and next prime (90810011707).

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

It is not a de Polignac number, because 90810011697 - 2¹¹ = 90810009649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90810011627) 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, 146941458 + ... + 146942075.

It is an arithmetic number, because the mean of its divisors is an integer number (15281943768).

Almost surely, 2^90810011697 is an apocalyptic number.

It is an amenable number.

90810011697 is a deficient number, since it is larger than the sum of its proper divisors (31445538447).

90810011697 is a wasteful number, since it uses less digits than its factorization.

90810011697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293883639.

The product of its (nonzero) digits is 27216, while the sum is 42.

The spelling of 90810011697 in words is "ninety billion, eight hundred ten million, eleven thousand, six hundred ninety-seven".