76628678 has 16 divisors (see below), whose sum is σ = 131592480. Its totient is φ = 32783616.

The previous prime is 76628677. The next prime is 76628681. The reversal of 76628678 is 87682667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76628677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4118 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (8224530).

Almost surely, 2^76628678 is an apocalyptic number.

76628678 is a deficient number, since it is larger than the sum of its proper divisors (54963802).

76628678 is a wasteful number, since it uses less digits than its factorization.

76628678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551.

The product of its digits is 1354752, while the sum is 50.

The square root of 76628678 is about 8753.7807831816. The cubic root of 76628678 is about 424.7471215374.

The spelling of 76628678 in words is "seventy-six million, six hundred twenty-eight thousand, six hundred seventy-eight".