90081505814 has 8 divisors (see below), whose sum is σ = 135261995088. Its totient is φ = 44994174120.

The previous prime is 90081505741. The next prime is 90081505823. The reversal of 90081505814 is 41850518009.

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

It is a super-2 number, since 2×90081505814² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23286977 + ... + 23290844.

It is an arithmetic number, because the mean of its divisors is an integer number (16907749386).

Almost surely, 2^90081505814 is an apocalyptic number.

90081505814 is a deficient number, since it is larger than the sum of its proper divisors (45180489274).

90081505814 is a wasteful number, since it uses less digits than its factorization.

90081505814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46578790.

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 90081505814 in words is "ninety billion, eighty-one million, five hundred five thousand, eight hundred fourteen".