3756506987 has 4 divisors (see below), whose sum is σ = 3761632560. Its totient is φ = 3751381416.

The previous prime is 3756506981. The next prime is 3756506989. The reversal of 3756506987 is 7896056573.

3756506987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3756506987 - 2⁸ = 3756506731 is a prime.

It is a super-2 number, since 2×3756506987² = 28222689486759636338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3756506981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561687 + ... + 2563152.

It is an arithmetic number, because the mean of its divisors is an integer number (940408140).

Almost surely, 2^3756506987 is an apocalyptic number.

3756506987 is a deficient number, since it is larger than the sum of its proper divisors (5125573).

3756506987 is an equidigital number, since it uses as much as digits as its factorization.

3756506987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125572.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The square root of 3756506987 is about 61290.3498684744. The cubic root of 3756506987 is about 1554.5143435679.

The spelling of 3756506987 in words is "three billion, seven hundred fifty-six million, five hundred six thousand, nine hundred eighty-seven".