71764862357 has 2 divisors, whose sum is σ = 71764862358. Its totient is φ = 71764862356.

The previous prime is 71764862251. The next prime is 71764862419. The reversal of 71764862357 is 75326846717.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36873984676 + 34890877681 = 192026^2 + 186791^2 .

It is a cyclic number.

It is not a de Polignac number, because 71764862357 - 2¹⁶ = 71764796821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71764862957) 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, 35882431178 + 35882431179.

It is an arithmetic number, because the mean of its divisors is an integer number (35882431179).

Almost surely, 2^71764862357 is an apocalyptic number.

It is an amenable number.

71764862357 is a deficient number, since it is larger than the sum of its proper divisors (1).

71764862357 is an equidigital number, since it uses as much as digits as its factorization.

71764862357 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 71764862357 in words is "seventy-one billion, seven hundred sixty-four million, eight hundred sixty-two thousand, three hundred fifty-seven".