3787716461 has 2 divisors, whose sum is σ = 3787716462. Its totient is φ = 3787716460.

The previous prime is 3787716451. The next prime is 3787716469. The reversal of 3787716461 is 1646177873.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2511012100 + 1276704361 = 50110^2 + 35731^2 .

It is a cyclic number.

It is not a de Polignac number, because 3787716461 - 2²² = 3783522157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3787716469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893858230 + 1893858231.

It is an arithmetic number, because the mean of its divisors is an integer number (1893858231).

Almost surely, 2^3787716461 is an apocalyptic number.

It is an amenable number.

3787716461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3787716461 is an equidigital number, since it uses as much as digits as its factorization.

3787716461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The square root of 3787716461 is about 61544.4267257402. The cubic root of 3787716461 is about 1558.8075015738.

The spelling of 3787716461 in words is "three billion, seven hundred eighty-seven million, seven hundred sixteen thousand, four hundred sixty-one".