3876785834 has 4 divisors (see below), whose sum is σ = 5815178754. Its totient is φ = 1938392916.

The previous prime is 3876785833. The next prime is 3876785837. The reversal of 3876785834 is 4385876783.

3876785834 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 4385876783 = 36781 ⋅119243.

It can be written as a sum of positive squares in only one way, i.e., 2540664025 + 1336121809 = 50405^2 + 36553^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3876785831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969196457 + ... + 969196460.

Almost surely, 2^3876785834 is an apocalyptic number.

3876785834 is a deficient number, since it is larger than the sum of its proper divisors (1938392920).

3876785834 is a wasteful number, since it uses less digits than its factorization.

3876785834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938392919.

The product of its digits is 27095040, while the sum is 59.

The square root of 3876785834 is about 62263.8405015303. The cubic root of 3876785834 is about 1570.9315787888.

The spelling of 3876785834 in words is "three billion, eight hundred seventy-six million, seven hundred eighty-five thousand, eight hundred thirty-four".