3780117697 has 16 divisors (see below), whose sum is σ = 4025640960. Its totient is φ = 3539434752.

The previous prime is 3780117667. The next prime is 3780117701. The reversal of 3780117697 is 7967110873.

It is not a de Polignac number, because 3780117697 - 2¹⁹ = 3779593409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3780117697.

It is not an unprimeable number, because it can be changed into a prime (3780117667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820003 + ... + 824599.

It is an arithmetic number, because the mean of its divisors is an integer number (251602560).

Almost surely, 2^3780117697 is an apocalyptic number.

It is an amenable number.

3780117697 is a deficient number, since it is larger than the sum of its proper divisors (245523263).

3780117697 is a wasteful number, since it uses less digits than its factorization.

3780117697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 3780117697 is about 61482.6617592310. The cubic root of 3780117697 is about 1557.7643981383.

The spelling of 3780117697 in words is "three billion, seven hundred eighty million, one hundred seventeen thousand, six hundred ninety-seven".