85448786188 has 6 divisors (see below), whose sum is σ = 149535375836. Its totient is φ = 42724393092.

The previous prime is 85448786183. The next prime is 85448786219. The reversal of 85448786188 is 88168784458.

It is a super-2 number, since 2×85448786188² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85448786183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10681098270 + ... + 10681098277.

Almost surely, 2^85448786188 is an apocalyptic number.

It is an amenable number.

85448786188 is a deficient number, since it is larger than the sum of its proper divisors (64086589648).

85448786188 is a wasteful number, since it uses less digits than its factorization.

85448786188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21362196551 (or 21362196549 counting only the distinct ones).

The product of its digits is 110100480, while the sum is 67.

The spelling of 85448786188 in words is "eighty-five billion, four hundred forty-eight million, seven hundred eighty-six thousand, one hundred eighty-eight".