3896077961 has 4 divisors (see below), whose sum is σ = 3897903252. Its totient is φ = 3894252672.

The previous prime is 3896077949. The next prime is 3896077987. The reversal of 3896077961 is 1697706983.

3896077961 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.

It can be written as a sum of positive squares in 2 ways, for example, as 66324736 + 3829753225 = 8144^2 + 61885^2 .

It is a cyclic number.

It is not a de Polignac number, because 3896077961 - 2¹⁰ = 3896076937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3896077897 and 3896077906.

It is not an unprimeable number, because it can be changed into a prime (3896007961) 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, 909440 + ... + 913713.

It is an arithmetic number, because the mean of its divisors is an integer number (974475813).

Almost surely, 2^3896077961 is an apocalyptic number.

It is an amenable number.

3896077961 is a deficient number, since it is larger than the sum of its proper divisors (1825291).

3896077961 is a wasteful number, since it uses less digits than its factorization.

3896077961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825290.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 3896077961 is about 62418.5706420773. The cubic root of 3896077961 is about 1573.5330876629.

The spelling of 3896077961 in words is "three billion, eight hundred ninety-six million, seventy-seven thousand, nine hundred sixty-one".