90985484252 has 12 divisors (see below), whose sum is σ = 171472643496. Its totient is φ = 41993300400.

The previous prime is 90985484207. The next prime is 90985484257. The reversal of 90985484252 is 25248458909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90985484257) 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, 874860374 + ... + 874860477.

It is an arithmetic number, because the mean of its divisors is an integer number (14289386958).

Almost surely, 2^90985484252 is an apocalyptic number.

It is an amenable number.

90985484252 is a deficient number, since it is larger than the sum of its proper divisors (80487159244).

90985484252 is a wasteful number, since it uses less digits than its factorization.

90985484252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749720868 (or 1749720866 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 90985484252 in words is "ninety billion, nine hundred eighty-five million, four hundred eighty-four thousand, two hundred fifty-two".