88780028 has 12 divisors (see below), whose sum is σ = 155441832. Its totient is φ = 44368080.

The previous prime is 88780009. The next prime is 88780061. The reversal of 88780028 is 82008788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6563 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (12953486).

Almost surely, 2^88780028 is an apocalyptic number.

It is an amenable number.

88780028 is a deficient number, since it is larger than the sum of its proper divisors (66661804).

88780028 is a wasteful number, since it uses less digits than its factorization.

88780028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10970 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 41.

The square root of 88780028 is about 9422.3154266879. The cubic root of 88780028 is about 446.1063712983.

The spelling of 88780028 in words is "eighty-eight million, seven hundred eighty thousand, twenty-eight".