77157463 has 2 divisors, whose sum is σ = 77157464. Its totient is φ = 77157462.

The previous prime is 77157439. The next prime is 77157467. The reversal of 77157463 is 36475177.

It is a strong prime.

It is an emirp because it is prime and its reverse (36475177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77157463 - 2¹³ = 77149271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77157467) 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, 38578731 + 38578732.

It is an arithmetic number, because the mean of its divisors is an integer number (38578732).

Almost surely, 2^77157463 is an apocalyptic number.

77157463 is a deficient number, since it is larger than the sum of its proper divisors (1).

77157463 is an equidigital number, since it uses as much as digits as its factorization.

77157463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 40.

The square root of 77157463 is about 8783.9320921783. The cubic root of 77157463 is about 425.7218882444.

The spelling of 77157463 in words is "seventy-seven million, one hundred fifty-seven thousand, four hundred sixty-three".