4231378377 has 6 divisors (see below), whose sum is σ = 6111991002. Its totient is φ = 2820918912.

The previous prime is 4231378373. The next prime is 4231378381. The reversal of 4231378377 is 7738731324.

It is an interprime number because it is at equal distance from previous prime (4231378373) and next prime (4231378381).

It can be written as a sum of positive squares in only one way, i.e., 2266140816 + 1965237561 = 47604^2 + 44331^2 .

It is not a de Polignac number, because 4231378377 - 2² = 4231378373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4231378373) 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 5 ways as a sum of consecutive naturals, for example, 235076568 + ... + 235076585.

It is an arithmetic number, because the mean of its divisors is an integer number (1018665167).

Almost surely, 2^4231378377 is an apocalyptic number.

It is an amenable number.

4231378377 is a deficient number, since it is larger than the sum of its proper divisors (1880612625).

4231378377 is a wasteful number, since it uses less digits than its factorization.

4231378377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470153159 (or 470153156 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 4231378377 is about 65049.0459345869. The cubic root of 4231378377 is about 1617.4366789431.

The spelling of 4231378377 in words is "four billion, two hundred thirty-one million, three hundred seventy-eight thousand, three hundred seventy-seven".