3940077873 has 4 divisors (see below), whose sum is σ = 5253437168. Its totient is φ = 2626718580.

The previous prime is 3940077863. The next prime is 3940077877. The reversal of 3940077873 is 3787700493.

It is a happy number.

3940077873 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3940077873 - 2⁴ = 3940077857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940077877) 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, 656679643 + ... + 656679648.

It is an arithmetic number, because the mean of its divisors is an integer number (1313359292).

Almost surely, 2^3940077873 is an apocalyptic number.

It is an amenable number.

3940077873 is a deficient number, since it is larger than the sum of its proper divisors (1313359295).

3940077873 is a wasteful number, since it uses less digits than its factorization.

3940077873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313359294.

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 3940077873 is about 62770.0396128599. The cubic root of 3940077873 is about 1579.4344331860.

The spelling of 3940077873 in words is "three billion, nine hundred forty million, seventy-seven thousand, eight hundred seventy-three".