612679655747 has 8 divisors (see below), whose sum is σ = 617715130560. Its totient is φ = 607649613480.

The previous prime is 612679655743. The next prime is 612679655803. The reversal of 612679655747 is 747556976216.

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 612679655747 - 2² = 612679655743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612679655743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131497 + ... + 1582922.

It is an arithmetic number, because the mean of its divisors is an integer number (77214391320).

Almost surely, 2^612679655747 is an apocalyptic number.

612679655747 is a deficient number, since it is larger than the sum of its proper divisors (5035474813).

612679655747 is a wasteful number, since it uses less digits than its factorization.

612679655747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716273.

The product of its digits is 133358400, while the sum is 65.

The spelling of 612679655747 in words is "six hundred twelve billion, six hundred seventy-nine million, six hundred fifty-five thousand, seven hundred forty-seven".