612460855 has 4 divisors (see below), whose sum is σ = 734953032. Its totient is φ = 489968680.

The previous prime is 612460847. The next prime is 612460873. The reversal of 612460855 is 558064216.

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

It is not a de Polignac number, because 612460855 - 2³ = 612460847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61246081 + ... + 61246090.

It is an arithmetic number, because the mean of its divisors is an integer number (183738258).

Almost surely, 2^612460855 is an apocalyptic number.

612460855 is a deficient number, since it is larger than the sum of its proper divisors (122492177).

612460855 is a wasteful number, since it uses less digits than its factorization.

612460855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122492176.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 612460855 is about 24747.9464804658. The cubic root of 612460855 is about 849.2315338298.

The spelling of 612460855 in words is "six hundred twelve million, four hundred sixty thousand, eight hundred fifty-five".