3967774461 has 54 divisors (see below), whose sum is σ = 6909239610. Its totient is φ = 2185186752.

The previous prime is 3967774453. The next prime is 3967774487. The reversal of 3967774461 is 1644777693.

It can be written as a sum of positive squares in 3 ways, for example, as 25190361 + 3942584100 = 5019^2 + 62790^2 .

It is not a de Polignac number, because 3967774461 - 2³ = 3967774453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3967774398 and 3967774407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967774361) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7123195 + ... + 7123751.

Almost surely, 2^3967774461 is an apocalyptic number.

It is an amenable number.

3967774461 is a deficient number, since it is larger than the sum of its proper divisors (2941465149).

3967774461 is an equidigital number, since it uses as much as digits as its factorization.

3967774461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 596 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 3967774461 is about 62990.2727490523. The cubic root of 3967774461 is about 1583.1266480446.

The spelling of 3967774461 in words is "three billion, nine hundred sixty-seven million, seven hundred seventy-four thousand, four hundred sixty-one".