3780070817 has 4 divisors (see below), whose sum is σ = 3781562160. Its totient is φ = 3778579476.

The previous prime is 3780070807. The next prime is 3780070837. The reversal of 3780070817 is 7180700873.

3780070817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7180700873 = 17 ⋅422394169.

It is a cyclic number.

It is not a de Polignac number, because 3780070817 - 2¹⁰ = 3780069793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780070807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741863 + ... + 746940.

It is an arithmetic number, because the mean of its divisors is an integer number (945390540).

Almost surely, 2^3780070817 is an apocalyptic number.

It is an amenable number.

3780070817 is a deficient number, since it is larger than the sum of its proper divisors (1491343).

3780070817 is a wasteful number, since it uses less digits than its factorization.

3780070817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491342.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 3780070817 is about 61482.2805123558. The cubic root of 3780070817 is about 1557.7579584537.

The spelling of 3780070817 in words is "three billion, seven hundred eighty million, seventy thousand, eight hundred seventeen".