3780434477 has 2 divisors, whose sum is σ = 3780434478. Its totient is φ = 3780434476.

The previous prime is 3780434473. The next prime is 3780434507. The reversal of 3780434477 is 7744340873.

3780434477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2785095076 + 995339401 = 52774^2 + 31549^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780434477 - 2² = 3780434473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780434473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890217238 + 1890217239.

It is an arithmetic number, because the mean of its divisors is an integer number (1890217239).

Almost surely, 2^3780434477 is an apocalyptic number.

It is an amenable number.

3780434477 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780434477 is an equidigital number, since it uses as much as digits as its factorization.

3780434477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The square root of 3780434477 is about 61485.2378786974. The cubic root of 3780434477 is about 1557.8079113180.

The spelling of 3780434477 in words is "three billion, seven hundred eighty million, four hundred thirty-four thousand, four hundred seventy-seven".