90986887889530 has 16 divisors (see below), whose sum is σ = 163776673326240. Its totient is φ = 36394694016912.

The previous prime is 90986887889519. The next prime is 90986887889531. The reversal of 90986887889530 is 3598878868909.

It is a super-2 number, since 2×90986887889530² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90986887889531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127460 + ... + 13536799.

It is an arithmetic number, because the mean of its divisors is an integer number (10236042082890).

Almost surely, 2^{90986887889530} is an apocalyptic number.

90986887889530 is a deficient number, since it is larger than the sum of its proper divisors (72789785436710).

90986887889530 is a wasteful number, since it uses less digits than its factorization.

90986887889530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284733.

The product of its (nonzero) digits is 15049359360, while the sum is 88.

The spelling of 90986887889530 in words is "ninety trillion, nine hundred eighty-six billion, eight hundred eighty-seven million, eight hundred eighty-nine thousand, five hundred thirty".