3671246778 has 16 divisors (see below), whose sum is σ = 7415192736. Its totient is φ = 1211632400.

The previous prime is 3671246773. The next prime is 3671246801. The reversal of 3671246778 is 8776421763.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3671246778.

It is not an unprimeable number, because it can be changed into a prime (3671246773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028476 + ... + 3029687.

It is an arithmetic number, because the mean of its divisors is an integer number (463449546).

Almost surely, 2^3671246778 is an apocalyptic number.

3671246778 is an abundant number, since it is smaller than the sum of its proper divisors (3743945958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3671246778 is a wasteful number, since it uses less digits than its factorization.

3671246778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058269.

The product of its digits is 2370816, while the sum is 51.

The square root of 3671246778 is about 60590.8143038200. The cubic root of 3671246778 is about 1542.6634599340.

The spelling of 3671246778 in words is "three billion, six hundred seventy-one million, two hundred forty-six thousand, seven hundred seventy-eight".