3753979985 has 16 divisors (see below), whose sum is σ = 5149702656. Its totient is φ = 2573464128.

The previous prime is 3753979973. The next prime is 3753979997. The reversal of 3753979985 is 5899793573.

It is an interprime number because it is at equal distance from previous prime (3753979973) and next prime (3753979997).

It is a cyclic number.

It is not a de Polignac number, because 3753979985 - 2¹⁰ = 3753978961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140792 + ... + 165318.

It is an arithmetic number, because the mean of its divisors is an integer number (321856416).

Almost surely, 2^3753979985 is an apocalyptic number.

3753979985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3753979985 is a deficient number, since it is larger than the sum of its proper divisors (1395722671).

3753979985 is a wasteful number, since it uses less digits than its factorization.

3753979985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912.

The product of its digits is 64297800, while the sum is 65.

The square root of 3753979985 is about 61269.7313932418. The cubic root of 3753979985 is about 1554.1656914784.

The spelling of 3753979985 in words is "three billion, seven hundred fifty-three million, nine hundred seventy-nine thousand, nine hundred eighty-five".