3813780854 has 32 divisors (see below), whose sum is σ = 6311784864. Its totient is φ = 1717148160.

The previous prime is 3813780851. The next prime is 3813780869. The reversal of 3813780854 is 4580873183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3813780799 and 3813780808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813780851) 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, 1220414 + ... + 1223534.

It is an arithmetic number, because the mean of its divisors is an integer number (197243277).

Almost surely, 2^3813780854 is an apocalyptic number.

3813780854 is a deficient number, since it is larger than the sum of its proper divisors (2498004010).

3813780854 is a wasteful number, since it uses less digits than its factorization.

3813780854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 3813780854 is about 61755.8163576517. The cubic root of 3813780854 is about 1562.3748692455.

The spelling of 3813780854 in words is "three billion, eight hundred thirteen million, seven hundred eighty thousand, eight hundred fifty-four".