3960780547 has 12 divisors (see below), whose sum is σ = 4229332696. Its totient is φ = 3708426240.

The previous prime is 3960780487. The next prime is 3960780557. The reversal of 3960780547 is 7450870693.

It is a happy number.

It is not a de Polignac number, because 3960780547 - 2¹⁵ = 3960747779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3960780547.

It is not an unprimeable number, because it can be changed into a prime (3960780557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20272 + ... + 91282.

Almost surely, 2^3960780547 is an apocalyptic number.

3960780547 is a deficient number, since it is larger than the sum of its proper divisors (268552149).

3960780547 is a wasteful number, since it uses less digits than its factorization.

3960780547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71238 (or 71221 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 3960780547 is about 62934.7324376612. The cubic root of 3960780547 is about 1582.1959194355.

The spelling of 3960780547 in words is "three billion, nine hundred sixty million, seven hundred eighty thousand, five hundred forty-seven".