319421877 has 4 divisors (see below), whose sum is σ = 425895840. Its totient is φ = 212947916.

The previous prime is 319421819. The next prime is 319421899. The reversal of 319421877 is 778124913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 319421877 - 2⁸ = 319421621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319421807) by changing a digit.

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, 53236977 + ... + 53236982.

It is an arithmetic number, because the mean of its divisors is an integer number (106473960).

Almost surely, 2^319421877 is an apocalyptic number.

It is an amenable number.

319421877 is a deficient number, since it is larger than the sum of its proper divisors (106473963).

319421877 is a wasteful number, since it uses less digits than its factorization.

319421877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106473962.

The product of its digits is 84672, while the sum is 42.

The square root of 319421877 is about 17872.3774859418. The cubic root of 319421877 is about 683.5782235230.

The spelling of 319421877 in words is "three hundred nineteen million, four hundred twenty-one thousand, eight hundred seventy-seven".