623542675385277 has 6 divisors (see below), whose sum is σ = 900672753334302. Its totient is φ = 415695116923512.

The previous prime is 623542675385249. The next prime is 623542675385281. The reversal of 623542675385277 is 772583576245326.

It is a happy number.

623542675385277 is a `hidden beast` number, since 6 + 2 + 3 + 5 + 4 + 2 + 67 + 5 + 38 + 527 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 444534170472441 + 179008504912836 = 21083979^2 + 13379406^2 .

It is not a de Polignac number, because 623542675385277 - 2⁶ = 623542675385213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623542675385177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34641259743618 + ... + 34641259743635.

It is an arithmetic number, because the mean of its divisors is an integer number (150112125555717).

Almost surely, 2^{623542675385277} is an apocalyptic number.

It is an amenable number.

623542675385277 is a deficient number, since it is larger than the sum of its proper divisors (277130077949025).

623542675385277 is a wasteful number, since it uses less digits than its factorization.

623542675385277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69282519487259 (or 69282519487256 counting only the distinct ones).

The product of its digits is 3556224000, while the sum is 72.

The spelling of 623542675385277 in words is "six hundred twenty-three trillion, five hundred forty-two billion, six hundred seventy-five million, three hundred eighty-five thousand, two hundred seventy-seven".