90234071431815 has 8 divisors (see below), whose sum is σ = 144374514290928. Its totient is φ = 48124838096960.

The previous prime is 90234071431813. The next prime is 90234071431817. The reversal of 90234071431815 is 51813417043209.

It is an interprime number because it is at equal distance from previous prime (90234071431813) and next prime (90234071431817).

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

It is not a de Polignac number, because 90234071431815 - 2¹ = 90234071431813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90234071431811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007802381046 + ... + 3007802381075.

It is an arithmetic number, because the mean of its divisors is an integer number (18046814286366).

Almost surely, 2^{90234071431815} is an apocalyptic number.

90234071431815 is a deficient number, since it is larger than the sum of its proper divisors (54140442859113).

90234071431815 is a wasteful number, since it uses less digits than its factorization.

90234071431815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015604762129.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 90234071431815 in words is "ninety trillion, two hundred thirty-four billion, seventy-one million, four hundred thirty-one thousand, eight hundred fifteen".