90849734727527 has 4 divisors (see below), whose sum is σ = 93982484200920. Its totient is φ = 87716985254136.

The previous prime is 90849734727509. The next prime is 90849734727539. The reversal of 90849734727527 is 72572743794809.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90849734727527 - 2⁶ = 90849734727463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90849734727127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566374736653 + ... + 1566374736710.

It is an arithmetic number, because the mean of its divisors is an integer number (23495621050230).

Almost surely, 2^{90849734727527} is an apocalyptic number.

90849734727527 is a deficient number, since it is larger than the sum of its proper divisors (3132749473393).

90849734727527 is a wasteful number, since it uses less digits than its factorization.

90849734727527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132749473392.

The product of its (nonzero) digits is 1493614080, while the sum is 74.

The spelling of 90849734727527 in words is "ninety trillion, eight hundred forty-nine billion, seven hundred thirty-four million, seven hundred twenty-seven thousand, five hundred twenty-seven".