76838541653 has 2 divisors, whose sum is σ = 76838541654. Its totient is φ = 76838541652.

The previous prime is 76838541631. The next prime is 76838541673. The reversal of 76838541653 is 35614583867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39737232964 + 37101308689 = 199342^2 + 192617^2 .

It is a cyclic number.

It is not a de Polignac number, because 76838541653 - 2¹⁰ = 76838540629 is a prime.

It is a super-2 number, since 2×76838541653² (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 (76838541673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38419270826 + 38419270827.

It is an arithmetic number, because the mean of its divisors is an integer number (38419270827).

Almost surely, 2^76838541653 is an apocalyptic number.

It is an amenable number.

76838541653 is a deficient number, since it is larger than the sum of its proper divisors (1).

76838541653 is an equidigital number, since it uses as much as digits as its factorization.

76838541653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The spelling of 76838541653 in words is "seventy-six billion, eight hundred thirty-eight million, five hundred forty-one thousand, six hundred fifty-three".