612463679 has 4 divisors (see below), whose sum is σ = 621090000. Its totient is φ = 603837360.

The previous prime is 612463669. The next prime is 612463681. The reversal of 612463679 is 976364216.

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

It is a cyclic number.

It is not a de Polignac number, because 612463679 - 2²⁴ = 595686463 is a prime.

It is a super-2 number, since 2×612463679² = 750223516188430082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612463609) 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, 4313054 + ... + 4313195.

It is an arithmetic number, because the mean of its divisors is an integer number (155272500).

Almost surely, 2^612463679 is an apocalyptic number.

612463679 is a deficient number, since it is larger than the sum of its proper divisors (8626321).

612463679 is an equidigital number, since it uses as much as digits as its factorization.

612463679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626320.

The product of its digits is 326592, while the sum is 44.

The square root of 612463679 is about 24748.0035356390. The cubic root of 612463679 is about 849.2328390703.

The spelling of 612463679 in words is "six hundred twelve million, four hundred sixty-three thousand, six hundred seventy-nine".