90527881843492 has 6 divisors (see below), whose sum is σ = 158423793226118. Its totient is φ = 45263940921744.

The previous prime is 90527881843489. The next prime is 90527881843559. The reversal of 90527881843492 is 29434818872509.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64898104836096 + 25629777007396 = 8055936^2 + 5062586^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315985230433 + ... + 11315985230440.

Almost surely, 2^{90527881843492} is an apocalyptic number.

It is an amenable number.

90527881843492 is a deficient number, since it is larger than the sum of its proper divisors (67895911382626).

90527881843492 is a wasteful number, since it uses less digits than its factorization.

90527881843492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22631970460877 (or 22631970460875 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 70.

The spelling of 90527881843492 in words is "ninety trillion, five hundred twenty-seven billion, eight hundred eighty-one million, eight hundred forty-three thousand, four hundred ninety-two".