34778122479 has 12 divisors (see below), whose sum is σ = 50316492096. Its totient is φ = 23147833632.

The previous prime is 34778122451. The next prime is 34778122493. The reversal of 34778122479 is 97422187743.

34778122479 is a `hidden beast` number, since 3 + 4 + 77 + 81 + 22 + 479 = 666.

It is not a de Polignac number, because 34778122479 - 2¹² = 34778118383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34778122979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3125919 + ... + 3137024.

It is an arithmetic number, because the mean of its divisors is an integer number (4193041008).

Almost surely, 2^34778122479 is an apocalyptic number.

34778122479 is a deficient number, since it is larger than the sum of its proper divisors (15538369617).

34778122479 is a wasteful number, since it uses less digits than its factorization.

34778122479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263566 (or 6263563 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The spelling of 34778122479 in words is "thirty-four billion, seven hundred seventy-eight million, one hundred twenty-two thousand, four hundred seventy-nine".