77858273063 has 4 divisors (see below), whose sum is σ = 77867098368. Its totient is φ = 77849447760.

The previous prime is 77858273041. The next prime is 77858273069. The reversal of 77858273063 is 36037285877.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77858273063 - 2²⁴ = 77841495847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77858273069) 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 3 ways as a sum of consecutive naturals, for example, 4399406 + ... + 4417067.

It is an arithmetic number, because the mean of its divisors is an integer number (19466774592).

Almost surely, 2^77858273063 is an apocalyptic number.

77858273063 is a deficient number, since it is larger than the sum of its proper divisors (8825305).

77858273063 is an equidigital number, since it uses as much as digits as its factorization.

77858273063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825304.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 77858273063 in words is "seventy-seven billion, eight hundred fifty-eight million, two hundred seventy-three thousand, sixty-three".