90827195819 has 8 divisors (see below), whose sum is σ = 93115407168. Its totient is φ = 88542456640.

The previous prime is 90827195783. The next prime is 90827195827. The reversal of 90827195819 is 91859172809.

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 90827195819 - 2¹⁶ = 90827130283 is a prime.

It is a super-2 number, since 2×90827195819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90827195419) 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, 815027 + ... + 919740.

It is an arithmetic number, because the mean of its divisors is an integer number (11639425896).

Almost surely, 2^90827195819 is an apocalyptic number.

90827195819 is a deficient number, since it is larger than the sum of its proper divisors (2288211349).

90827195819 is a wasteful number, since it uses less digits than its factorization.

90827195819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736085.

The product of its (nonzero) digits is 3265920, while the sum is 59.

The spelling of 90827195819 in words is "ninety billion, eight hundred twenty-seven million, one hundred ninety-five thousand, eight hundred nineteen".