85177851950 has 12 divisors (see below), whose sum is σ = 158430804720. Its totient is φ = 34071140760.

The previous prime is 85177851949. The next prime is 85177851953. The reversal of 85177851950 is 5915877158.

It is a super-2 number, since 2×85177851950² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85177851953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851778470 + ... + 851778569.

It is an arithmetic number, because the mean of its divisors is an integer number (13202567060).

Almost surely, 2^85177851950 is an apocalyptic number.

85177851950 is a deficient number, since it is larger than the sum of its proper divisors (73252952770).

85177851950 is a wasteful number, since it uses less digits than its factorization.

85177851950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703557051 (or 1703557046 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 56.

The spelling of 85177851950 in words is "eighty-five billion, one hundred seventy-seven million, eight hundred fifty-one thousand, nine hundred fifty".