34878264677 has 4 divisors (see below), whose sum is σ = 34887367980. Its totient is φ = 34869161376.

The previous prime is 34878264607. The next prime is 34878264721. The reversal of 34878264677 is 77646287843.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77646287843 = 59 ⋅1316038777.

It can be written as a sum of positive squares in 2 ways, for example, as 7800245761 + 27078018916 = 88319^2 + 164554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34878264677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34878264607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545902 + ... + 4553567.

It is an arithmetic number, because the mean of its divisors is an integer number (8721841995).

Almost surely, 2^34878264677 is an apocalyptic number.

It is an amenable number.

34878264677 is a deficient number, since it is larger than the sum of its proper divisors (9103303).

34878264677 is an equidigital number, since it uses as much as digits as its factorization.

34878264677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103302.

The product of its digits is 75866112, while the sum is 62.

The spelling of 34878264677 in words is "thirty-four billion, eight hundred seventy-eight million, two hundred sixty-four thousand, six hundred seventy-seven".