3870505766 has 8 divisors (see below), whose sum is σ = 5940776424. Its totient is φ = 1890246960.

The previous prime is 3870505747. The next prime is 3870505831. The reversal of 3870505766 is 6675050783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3870505766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22502855 + ... + 22503026.

It is an arithmetic number, because the mean of its divisors is an integer number (742597053).

Almost surely, 2^3870505766 is an apocalyptic number.

3870505766 is a deficient number, since it is larger than the sum of its proper divisors (2070270658).

3870505766 is a wasteful number, since it uses less digits than its factorization.

3870505766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45005926.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 3870505766 is about 62213.3889608981. The cubic root of 3870505766 is about 1570.0828611926.

The spelling of 3870505766 in words is "three billion, eight hundred seventy million, five hundred five thousand, seven hundred sixty-six".