612790263 has 24 divisors (see below), whose sum is σ = 912651168. Its totient is φ = 395917632.

The previous prime is 612790259. The next prime is 612790303. The reversal of 612790263 is 362097216.

It is not a de Polignac number, because 612790263 - 2² = 612790259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612790963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84081 + ... + 91077.

It is an arithmetic number, because the mean of its divisors is an integer number (38027132).

Almost surely, 2^612790263 is an apocalyptic number.

612790263 is a deficient number, since it is larger than the sum of its proper divisors (299860905).

612790263 is a wasteful number, since it uses less digits than its factorization.

612790263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 612790263 is about 24754.6008450954. The cubic root of 612790263 is about 849.3837577208.

The spelling of 612790263 in words is "six hundred twelve million, seven hundred ninety thousand, two hundred sixty-three".