76728888 has 48 divisors (see below), whose sum is σ = 220034880. Its totient is φ = 24071424.

The previous prime is 76728881. The next prime is 76728893. The reversal of 76728888 is 88882767.

76728888 is a modest number, since divided by 8888 gives 7672 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76728881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30120 + ... + 32567.

It is an arithmetic number, because the mean of its divisors is an integer number (4584060).

Almost surely, 2^76728888 is an apocalyptic number.

It is an amenable number.

76728888 is an abundant number, since it is smaller than the sum of its proper divisors (143305992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76728888 is a wasteful number, since it uses less digits than its factorization.

76728888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62716 (or 62709 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 54.

The square root of 76728888 is about 8759.5027256118. The cubic root of 76728888 is about 424.9321931038.

It can be divided in two parts, 767288 and 88, that added together give a square (767376 = 876²).

The spelling of 76728888 in words is "seventy-six million, seven hundred twenty-eight thousand, eight hundred eighty-eight".