85464495522 has 288 divisors, whose sum is σ = 238059195840. Its totient is φ = 22652421120.

The previous prime is 85464495433. The next prime is 85464495527. The reversal of 85464495522 is 22559446458.

85464495522 is a `hidden beast` number, since 8 + 5 + 46 + 4 + 49 + 552 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (85464495527) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 55821897 + ... + 55823427.

It is an arithmetic number, because the mean of its divisors is an integer number (826594430).

Almost surely, 2^85464495522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85464495522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119029597920).

85464495522 is an abundant number, since it is smaller than the sum of its proper divisors (152594700318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85464495522 is a wasteful number, since it uses less digits than its factorization.

85464495522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1633 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The spelling of 85464495522 in words is "eighty-five billion, four hundred sixty-four million, four hundred ninety-five thousand, five hundred twenty-two".