3780463761 has 6 divisors (see below), whose sum is σ = 5460669890. Its totient is φ = 2520309168.

The previous prime is 3780463717. The next prime is 3780463777. The reversal of 3780463761 is 1673640873.

3780463761 is a `hidden beast` number, since 3 + 7 + 8 + 0 + 4 + 637 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2035814400 + 1744649361 = 45120^2 + 41769^2 .

It is not a de Polignac number, because 3780463761 - 2¹⁵ = 3780430993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780464761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210025756 + ... + 210025773.

Almost surely, 2^3780463761 is an apocalyptic number.

It is an amenable number.

3780463761 is a deficient number, since it is larger than the sum of its proper divisors (1680206129).

3780463761 is a wasteful number, since it uses less digits than its factorization.

3780463761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420051535 (or 420051532 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 3780463761 is about 61485.4760166984. The cubic root of 3780463761 is about 1557.8119336713.

The spelling of 3780463761 in words is "three billion, seven hundred eighty million, four hundred sixty-three thousand, seven hundred sixty-one".