77232700433969 has 2 divisors, whose sum is σ = 77232700433970. Its totient is φ = 77232700433968.

The previous prime is 77232700433947. The next prime is 77232700434073. The reversal of 77232700433969 is 96933400723277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54109441351744 + 23123259082225 = 7355912^2 + 4808665^2 .

It is a cyclic number.

It is not a de Polignac number, because 77232700433969 - 2²⁰ = 77232699385393 is a prime.

It is a super-2 number, since 2×77232700433969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77232700433909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38616350216984 + 38616350216985.

It is an arithmetic number, because the mean of its divisors is an integer number (38616350216985).

Almost surely, 2^{77232700433969} is an apocalyptic number.

It is an amenable number.

77232700433969 is a deficient number, since it is larger than the sum of its proper divisors (1).

77232700433969 is an equidigital number, since it uses as much as digits as its factorization.

77232700433969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72013536, while the sum is 62.

The spelling of 77232700433969 in words is "seventy-seven trillion, two hundred thirty-two billion, seven hundred million, four hundred thirty-three thousand, nine hundred sixty-nine".