3956536767 has 4 divisors (see below), whose sum is σ = 5275382360. Its totient is φ = 2637691176.

The previous prime is 3956536757. The next prime is 3956536813. The reversal of 3956536767 is 7676356593.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3956536767 - 2¹⁴ = 3956520383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956536757) 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, 659422792 + ... + 659422797.

It is an arithmetic number, because the mean of its divisors is an integer number (1318845590).

Almost surely, 2^3956536767 is an apocalyptic number.

3956536767 is a deficient number, since it is larger than the sum of its proper divisors (1318845593).

3956536767 is a wasteful number, since it uses less digits than its factorization.

3956536767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318845592.

The product of its digits is 21432600, while the sum is 57.

The square root of 3956536767 is about 62901.0076787328. The cubic root of 3956536767 is about 1581.6306359996.

The spelling of 3956536767 in words is "three billion, nine hundred fifty-six million, five hundred thirty-six thousand, seven hundred sixty-seven".