3722168878 has 4 divisors (see below), whose sum is σ = 5583253320. Its totient is φ = 1861084438.

The previous prime is 3722168843. The next prime is 3722168897. The reversal of 3722168878 is 8788612273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8788612273 = 7 ⋅1255516039.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930542218 + ... + 930542221.

It is an arithmetic number, because the mean of its divisors is an integer number (1395813330).

Almost surely, 2^3722168878 is an apocalyptic number.

3722168878 is a deficient number, since it is larger than the sum of its proper divisors (1861084442).

3722168878 is a wasteful number, since it uses less digits than its factorization.

3722168878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861084441.

The product of its digits is 1806336, while the sum is 52.

The square root of 3722168878 is about 61009.5802149138. The cubic root of 3722168878 is about 1549.7632490289.

The spelling of 3722168878 in words is "three billion, seven hundred twenty-two million, one hundred sixty-eight thousand, eight hundred seventy-eight".