612777963 has 16 divisors (see below), whose sum is σ = 953625600. Its totient is φ = 342708096.

The previous prime is 612777959. The next prime is 612777967. The reversal of 612777963 is 369777216.

It is an interprime number because it is at equal distance from previous prime (612777959) and next prime (612777967).

It is not a de Polignac number, because 612777963 - 2² = 612777959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612777967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309438 + ... + 311411.

It is an arithmetic number, because the mean of its divisors is an integer number (59601600).

Almost surely, 2^612777963 is an apocalyptic number.

612777963 is a deficient number, since it is larger than the sum of its proper divisors (340847637).

612777963 is a wasteful number, since it uses less digits than its factorization.

612777963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620906.

The product of its digits is 666792, while the sum is 48.

The square root of 612777963 is about 24754.3524051832. The cubic root of 612777963 is about 849.3780747051.

The spelling of 612777963 in words is "six hundred twelve million, seven hundred seventy-seven thousand, nine hundred sixty-three".