3860967781 has 8 divisors (see below), whose sum is σ = 4234019328. Its totient is φ = 3491592000.

The previous prime is 3860967743. The next prime is 3860967823. The reversal of 3860967781 is 1877690683.

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 3860967781 - 2¹³ = 3860959589 is a prime.

It is a super-2 number, since 2×3860967781² = 29814144411840127922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860967701) 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, 916740 + ... + 920941.

It is an arithmetic number, because the mean of its divisors is an integer number (529252416).

Almost surely, 2^3860967781 is an apocalyptic number.

It is an amenable number.

3860967781 is a deficient number, since it is larger than the sum of its proper divisors (373051547).

3860967781 is a wasteful number, since it uses less digits than its factorization.

3860967781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837883.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 3860967781 is about 62136.6862730867. The cubic root of 3860967781 is about 1568.7920957874.

The spelling of 3860967781 in words is "three billion, eight hundred sixty million, nine hundred sixty-seven thousand, seven hundred eighty-one".