3709966578 has 16 divisors (see below), whose sum is σ = 7675793280. Its totient is φ = 1194012176.

The previous prime is 3709966567. The next prime is 3709966597. The reversal of 3709966578 is 8756699073.

3709966578 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10660650 + ... + 10660997.

It is an arithmetic number, because the mean of its divisors is an integer number (479737080).

Almost surely, 2^3709966578 is an apocalyptic number.

3709966578 is an abundant number, since it is smaller than the sum of its proper divisors (3965826702).

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

3709966578 is a wasteful number, since it uses less digits than its factorization.

3709966578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21321681.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The square root of 3709966578 is about 60909.4949741007. The cubic root of 3709966578 is about 1548.0678773927.

The spelling of 3709966578 in words is "three billion, seven hundred nine million, nine hundred sixty-six thousand, five hundred seventy-eight".