612313979 has 8 divisors (see below), whose sum is σ = 625709568. Its totient is φ = 598933800.

The previous prime is 612313963. The next prime is 612313997. The reversal of 612313979 is 979313216.

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

It is a cyclic number.

It is not a de Polignac number, because 612313979 - 2⁴ = 612313963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612318979) 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 7 ways as a sum of consecutive naturals, for example, 117344 + ... + 122450.

It is an arithmetic number, because the mean of its divisors is an integer number (78213696).

Almost surely, 2^612313979 is an apocalyptic number.

612313979 is a deficient number, since it is larger than the sum of its proper divisors (13395589).

612313979 is a wasteful number, since it uses less digits than its factorization.

612313979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705.

The product of its digits is 61236, while the sum is 41.

The square root of 612313979 is about 24744.9788644080. The cubic root of 612313979 is about 849.1636428499.

It can be divided in two parts, 6123 and 13979, that added together give a palindrome (20102).

The spelling of 612313979 in words is "six hundred twelve million, three hundred thirteen thousand, nine hundred seventy-nine".