90675860534 has 24 divisors (see below), whose sum is σ = 158882173920. Its totient is φ = 38698474416.

The previous prime is 90675860503. The next prime is 90675860557. The reversal of 90675860534 is 43506857609.

It is a super-2 number, since 2×90675860534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1912277 + ... + 1959120.

It is an arithmetic number, because the mean of its divisors is an integer number (6620090580).

Almost surely, 2^90675860534 is an apocalyptic number.

90675860534 is a deficient number, since it is larger than the sum of its proper divisors (68206313386).

90675860534 is a wasteful number, since it uses less digits than its factorization.

90675860534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871652 (or 3871645 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 90675860534 in words is "ninety billion, six hundred seventy-five million, eight hundred sixty thousand, five hundred thirty-four".