612378282850 has 24 divisors (see below), whose sum is σ = 1139051920788. Its totient is φ = 244945224000.

The previous prime is 612378282809. The next prime is 612378282853. The reversal of 612378282850 is 58282873216.

It can be written as a sum of positive squares in 6 ways, for example, as 195564719529 + 416813563321 = 442227^2 + 645611^2 .

It is a super-2 number, since 2×612378282850² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612378282853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2256672 + ... + 2513428.

Almost surely, 2^612378282850 is an apocalyptic number.

612378282850 is a deficient number, since it is larger than the sum of its proper divisors (526673637938).

612378282850 is a wasteful number, since it uses less digits than its factorization.

612378282850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304470 (or 304465 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 612378282850 in words is "six hundred twelve billion, three hundred seventy-eight million, two hundred eighty-two thousand, eight hundred fifty".