3775133985 has 64 divisors (see below), whose sum is σ = 7319268864. Its totient is φ = 1622016000.

The previous prime is 3775133977. The next prime is 3775133987. The reversal of 3775133985 is 5893315773.

It is not a de Polignac number, because 3775133985 - 2³ = 3775133977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3775133987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2357185 + ... + 2358785.

It is an arithmetic number, because the mean of its divisors is an integer number (114363576).

Almost surely, 2^3775133985 is an apocalyptic number.

3775133985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3775133985 is a deficient number, since it is larger than the sum of its proper divisors (3544134879).

3775133985 is a wasteful number, since it uses less digits than its factorization.

3775133985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its digits is 2381400, while the sum is 51.

The square root of 3775133985 is about 61442.1189820143. The cubic root of 3775133985 is about 1557.0795108739.

The spelling of 3775133985 in words is "three billion, seven hundred seventy-five million, one hundred thirty-three thousand, nine hundred eighty-five".