3977425814 has 4 divisors (see below), whose sum is σ = 5966138724. Its totient is φ = 1988712906.

The previous prime is 3977425783. The next prime is 3977425831. The reversal of 3977425814 is 4185247793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4185247793 = 1583 ⋅2643871.

It is a super-2 number, since 2×3977425814² = 31639832211747125192, 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 as a sum of consecutive naturals, namely, 994356452 + ... + 994356455.

It is an arithmetic number, because the mean of its divisors is an integer number (1491534681).

Almost surely, 2^3977425814 is an apocalyptic number.

3977425814 is a deficient number, since it is larger than the sum of its proper divisors (1988712910).

3977425814 is a wasteful number, since it uses less digits than its factorization.

3977425814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988712909.

The product of its digits is 1693440, while the sum is 50.

The square root of 3977425814 is about 63066.8360868056. The cubic root of 3977425814 is about 1584.4092261702.

The spelling of 3977425814 in words is "three billion, nine hundred seventy-seven million, four hundred twenty-five thousand, eight hundred fourteen".