3870066864 has 160 divisors (see below), whose sum is σ = 10906016256. Its totient is φ = 1177989120.

The previous prime is 3870066853. The next prime is 3870066869. The reversal of 3870066864 is 4686600783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3870066869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3881214 + ... + 3882210.

Almost surely, 2^3870066864 is an apocalyptic number.

3870066864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3870066864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5453008128).

3870066864 is an abundant number, since it is smaller than the sum of its proper divisors (7035949392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3870066864 is a wasteful number, since it uses less digits than its factorization.

3870066864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 3870066864 is about 62209.8614690629. The cubic root of 3870066864 is about 1570.0235116227.

The spelling of 3870066864 in words is "three billion, eight hundred seventy million, sixty-six thousand, eight hundred sixty-four".