3866970576880 has 80 divisors (see below), whose sum is σ = 9058910951520. Its totient is φ = 1535077979136.

The previous prime is 3866970576809. The next prime is 3866970576919. The reversal of 3866970576880 is 886750796683.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3866970576880² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 10226547 + ... + 10597933.

It is an arithmetic number, because the mean of its divisors is an integer number (113236386894).

Almost surely, 2^{3866970576880} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3866970576880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529455475760).

3866970576880 is an abundant number, since it is smaller than the sum of its proper divisors (5191940374640).

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

3866970576880 is a wasteful number, since it uses less digits than its factorization.

3866970576880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372386 (or 372380 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 73.

The spelling of 3866970576880 in words is "three trillion, eight hundred sixty-six billion, nine hundred seventy million, five hundred seventy-six thousand, eight hundred eighty".