85400786163 has 48 divisors (see below), whose sum is σ = 144670990464. Its totient is φ = 44311559040.

The previous prime is 85400786131. The next prime is 85400786167. The reversal of 85400786163 is 36168700458.

It is not a de Polignac number, because 85400786163 - 2⁵ = 85400786131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85400786167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1354956 + ... + 1416582.

It is an arithmetic number, because the mean of its divisors is an integer number (3013978968).

Almost surely, 2^85400786163 is an apocalyptic number.

85400786163 is a deficient number, since it is larger than the sum of its proper divisors (59270204301).

85400786163 is a wasteful number, since it uses less digits than its factorization.

85400786163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62512 (or 62505 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 85400786163 in words is "eighty-five billion, four hundred million, seven hundred eighty-six thousand, one hundred sixty-three".