77875853623 has 2 divisors, whose sum is σ = 77875853624. Its totient is φ = 77875853622.

The previous prime is 77875853597. The next prime is 77875853677. The reversal of 77875853623 is 32635857877.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77875853623 - 2²⁵ = 77842299191 is a prime.

It is a super-2 number, since 2×77875853623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77875803623) 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 as a sum of consecutive naturals, namely, 38937926811 + 38937926812.

It is an arithmetic number, because the mean of its divisors is an integer number (38937926812).

Almost surely, 2^77875853623 is an apocalyptic number.

77875853623 is a deficient number, since it is larger than the sum of its proper divisors (1).

77875853623 is an equidigital number, since it uses as much as digits as its factorization.

77875853623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59270400, while the sum is 61.

The spelling of 77875853623 in words is "seventy-seven billion, eight hundred seventy-five million, eight hundred fifty-three thousand, six hundred twenty-three".