68076878 has 4 divisors (see below), whose sum is σ = 102115320. Its totient is φ = 34038438.

The previous prime is 68076863. The next prime is 68076887. The reversal of 68076878 is 87867086.

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: 87867086 = 2 ⋅43933543.

It is a super-2 number, since 2×68076878² = 9268922636453768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17019218 + ... + 17019221.

It is an arithmetic number, because the mean of its divisors is an integer number (25528830).

Almost surely, 2^68076878 is an apocalyptic number.

68076878 is a deficient number, since it is larger than the sum of its proper divisors (34038442).

68076878 is a wasteful number, since it uses less digits than its factorization.

68076878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34038441.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 68076878 is about 8250.8713479244. The cubic root of 68076878 is about 408.3192706342.

The spelling of 68076878 in words is "sixty-eight million, seventy-six thousand, eight hundred seventy-eight".