3890752078 has 8 divisors (see below), whose sum is σ = 5853760920. Its totient is φ = 1939498440.

The previous prime is 3890752069. The next prime is 3890752087. The reversal of 3890752078 is 8702570983.

It is an interprime number because it is at equal distance from previous prime (3890752069) and next prime (3890752087).

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

It is a super-2 number, since 2×3890752078² = 30275903464922636168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937973 + ... + 2939296.

It is an arithmetic number, because the mean of its divisors is an integer number (731720115).

Almost surely, 2^3890752078 is an apocalyptic number.

3890752078 is a deficient number, since it is larger than the sum of its proper divisors (1963008842).

3890752078 is a wasteful number, since it uses less digits than its factorization.

3890752078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877602.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 3890752078 is about 62375.8934044235. The cubic root of 3890752078 is about 1572.8157616099.

The spelling of 3890752078 in words is "three billion, eight hundred ninety million, seven hundred fifty-two thousand, seventy-eight".