3861693477 has 12 divisors (see below), whose sum is σ = 5696683200. Its totient is φ = 2519686248.

The previous prime is 3861693461. The next prime is 3861693499. The reversal of 3861693477 is 7743961683.

3861693477 is a `hidden beast` number, since 3 + 8 + 6 + 169 + 3 + 477 = 666.

It is not a de Polignac number, because 3861693477 - 2⁴ = 3861693461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861693427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4564227 + ... + 4565072.

It is an arithmetic number, because the mean of its divisors is an integer number (474723600).

Almost surely, 2^3861693477 is an apocalyptic number.

It is an amenable number.

3861693477 is a deficient number, since it is larger than the sum of its proper divisors (1834989723).

3861693477 is a wasteful number, since it uses less digits than its factorization.

3861693477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129352 (or 9129349 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 3861693477 is about 62142.5255119230. The cubic root of 3861693477 is about 1568.8903781260.

The spelling of 3861693477 in words is "three billion, eight hundred sixty-one million, six hundred ninety-three thousand, four hundred seventy-seven".