77153963 has 2 divisors, whose sum is σ = 77153964. Its totient is φ = 77153962.

The previous prime is 77153957. The next prime is 77154013. The reversal of 77153963 is 36935177.

It is a weak prime.

It is an emirp because it is prime and its reverse (36935177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77153963 - 2¹² = 77149867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77153963.

It is not a weakly prime, because it can be changed into another prime (77653963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38576981 + 38576982.

It is an arithmetic number, because the mean of its divisors is an integer number (38576982).

Almost surely, 2^77153963 is an apocalyptic number.

77153963 is a deficient number, since it is larger than the sum of its proper divisors (1).

77153963 is an equidigital number, since it uses as much as digits as its factorization.

77153963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 77153963 is about 8783.7328625135. The cubic root of 77153963 is about 425.7154509793.

The spelling of 77153963 in words is "seventy-seven million, one hundred fifty-three thousand, nine hundred sixty-three".