90814964880814 has 4 divisors (see below), whose sum is σ = 136222447321224. Its totient is φ = 45407482440406.

The previous prime is 90814964880811. The next prime is 90814964880821. The reversal of 90814964880814 is 41808846941809.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90814964880811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22703741220202 + ... + 22703741220205.

It is an arithmetic number, because the mean of its divisors is an integer number (34055611830306).

Almost surely, 2^{90814964880814} is an apocalyptic number.

90814964880814 is a deficient number, since it is larger than the sum of its proper divisors (45407482440410).

90814964880814 is a wasteful number, since it uses less digits than its factorization.

90814964880814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45407482440409.

The product of its (nonzero) digits is 127401984, while the sum is 70.

The spelling of 90814964880814 in words is "ninety trillion, eight hundred fourteen billion, nine hundred sixty-four million, eight hundred eighty thousand, eight hundred fourteen".