34578486878 has 32 divisors (see below), whose sum is σ = 59005430400. Its totient is φ = 15065852256.

The previous prime is 34578486853. The next prime is 34578486881. The reversal of 34578486878 is 87868487543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16133 + ... + 263471.

It is an arithmetic number, because the mean of its divisors is an integer number (1843919700).

Almost surely, 2^34578486878 is an apocalyptic number.

34578486878 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

34578486878 is a deficient number, since it is larger than the sum of its proper divisors (24426943522).

34578486878 is a wasteful number, since it uses less digits than its factorization.

34578486878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247656.

The product of its digits is 289013760, while the sum is 68.

The spelling of 34578486878 in words is "thirty-four billion, five hundred seventy-eight million, four hundred eighty-six thousand, eight hundred seventy-eight".