3872678773 has 4 divisors (see below), whose sum is σ = 3887747820. Its totient is φ = 3857609728.

The previous prime is 3872678759. The next prime is 3872678807. The reversal of 3872678773 is 3778762783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3778762783 = 53 ⋅71297411.

It can be written as a sum of positive squares in 2 ways, for example, as 2473769169 + 1398909604 = 49737^2 + 37402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3872678773 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872679773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7534138 + ... + 7534651.

It is an arithmetic number, because the mean of its divisors is an integer number (971936955).

Almost surely, 2^3872678773 is an apocalyptic number.

It is an amenable number.

3872678773 is a deficient number, since it is larger than the sum of its proper divisors (15069047).

3872678773 is a wasteful number, since it uses less digits than its factorization.

3872678773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069046.

The product of its digits is 16595712, while the sum is 58.

The square root of 3872678773 is about 62230.8506530322. The cubic root of 3872678773 is about 1570.3766352676.

The spelling of 3872678773 in words is "three billion, eight hundred seventy-two million, six hundred seventy-eight thousand, seven hundred seventy-three".