612797650 has 12 divisors (see below), whose sum is σ = 1139803722. Its totient is φ = 245119040.

The previous prime is 612797641. The next prime is 612797651. The reversal of 612797650 is 56797216.

It can be written as a sum of positive squares in 3 ways, for example, as 427538329 + 185259321 = 20677^2 + 13611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612797597 and 612797606.

It is not an unprimeable number, because it can be changed into a prime (612797651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6127927 + ... + 6128026.

Almost surely, 2^612797650 is an apocalyptic number.

612797650 is a deficient number, since it is larger than the sum of its proper divisors (527006072).

612797650 is a wasteful number, since it uses less digits than its factorization.

612797650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255965 (or 12255960 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 612797650 is about 24754.7500492330. The cubic root of 612797650 is about 849.3871707280.

The spelling of 612797650 in words is "six hundred twelve million, seven hundred ninety-seven thousand, six hundred fifty".