612774914976 has 72 divisors (see below), whose sum is σ = 1991518480224. Its totient is φ = 175078546560.

The previous prime is 612774914959. The next prime is 612774914977. The reversal of 612774914976 is 679419477216.

612774914976 is a `hidden beast` number, since 6 + 1 + 2 + 77 + 491 + 4 + 9 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (612774914977) 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 11 ways as a sum of consecutive naturals, for example, 151975890 + ... + 151979921.

It is an arithmetic number, because the mean of its divisors is an integer number (27659978892).

Almost surely, 2^612774914976 is an apocalyptic number.

It is an amenable number.

612774914976 is an abundant number, since it is smaller than the sum of its proper divisors (1378743565248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612774914976 is a wasteful number, since it uses less digits than its factorization.

612774914976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303955834 (or 303955823 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 612774914976 in words is "six hundred twelve billion, seven hundred seventy-four million, nine hundred fourteen thousand, nine hundred seventy-six".