4313978377 has 4 divisors (see below), whose sum is σ = 4384699396. Its totient is φ = 4243257360.

The previous prime is 4313978353. The next prime is 4313978387. The reversal of 4313978377 is 7738793134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105083001 + 4208895376 = 10251^2 + 64876^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313978377 - 2¹⁵ = 4313945609 is a prime.

It is a super-2 number, since 2×4313978377² = 37220818874447108258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4313978387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35360418 + ... + 35360539.

It is an arithmetic number, because the mean of its divisors is an integer number (1096174849).

Almost surely, 2^4313978377 is an apocalyptic number.

It is an amenable number.

4313978377 is a deficient number, since it is larger than the sum of its proper divisors (70721019).

4313978377 is an equidigital number, since it uses as much as digits as its factorization.

4313978377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70721018.

The product of its digits is 2667168, while the sum is 52.

The square root of 4313978377 is about 65680.8828884022. The cubic root of 4313978377 is about 1627.8934958861.

The spelling of 4313978377 in words is "four billion, three hundred thirteen million, nine hundred seventy-eight thousand, three hundred seventy-seven".