77483479 has 2 divisors, whose sum is σ = 77483480. Its totient is φ = 77483478.

The previous prime is 77483443. The next prime is 77483521. The reversal of 77483479 is 97438477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77483479 - 2¹³ = 77475287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77483179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38741739 + 38741740.

It is an arithmetic number, because the mean of its divisors is an integer number (38741740).

Almost surely, 2^77483479 is an apocalyptic number.

77483479 is a deficient number, since it is larger than the sum of its proper divisors (1).

77483479 is an equidigital number, since it uses as much as digits as its factorization.

77483479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 49.

The square root of 77483479 is about 8802.4700510709. The cubic root of 77483479 is about 426.3206513378.

The spelling of 77483479 in words is "seventy-seven million, four hundred eighty-three thousand, four hundred seventy-nine".