3861225787 has 8 divisors (see below), whose sum is σ = 3911281920. Its totient is φ = 3811411560.

The previous prime is 3861225779. The next prime is 3861225803. The reversal of 3861225787 is 7875221683.

3861225787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3861225787 - 2³ = 3861225779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3861225787.

It is not an unprimeable number, because it can be changed into a prime (3861225757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28237 + ... + 92302.

It is an arithmetic number, because the mean of its divisors is an integer number (488910240).

Almost surely, 2^3861225787 is an apocalyptic number.

3861225787 is a deficient number, since it is larger than the sum of its proper divisors (50056133).

3861225787 is a wasteful number, since it uses less digits than its factorization.

3861225787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120953.

The product of its digits is 1128960, while the sum is 49.

The square root of 3861225787 is about 62138.7623549102. The cubic root of 3861225787 is about 1568.8270394233.

The spelling of 3861225787 in words is "three billion, eight hundred sixty-one million, two hundred twenty-five thousand, seven hundred eighty-seven".