612687784462 has 16 divisors (see below), whose sum is σ = 1041817286160. Its totient is φ = 267895873152.

The previous prime is 612687784441. The next prime is 612687784469. The reversal of 612687784462 is 264487786216.

It is a self number, because there is not a number n which added to its sum of digits gives 612687784462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612687784469) 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, 620128843 + ... + 620129830.

It is an arithmetic number, because the mean of its divisors is an integer number (65113580385).

Almost surely, 2^612687784462 is an apocalyptic number.

612687784462 is a deficient number, since it is larger than the sum of its proper divisors (429129501698).

612687784462 is a wasteful number, since it uses less digits than its factorization.

612687784462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240258707.

The product of its digits is 43352064, while the sum is 61.

The spelling of 612687784462 in words is "six hundred twelve billion, six hundred eighty-seven million, seven hundred eighty-four thousand, four hundred sixty-two".