88721760 has 48 divisors (see below), whose sum is σ = 279475056. Its totient is φ = 23659008.

The previous prime is 88721747. The next prime is 88721761. The reversal of 88721760 is 6712788.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88721761) 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 7 ways as a sum of consecutive naturals, for example, 91939 + ... + 92898.

It is an arithmetic number, because the mean of its divisors is an integer number (5822397).

Almost surely, 2^88721760 is an apocalyptic number.

88721760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88721760 is an abundant number, since it is smaller than the sum of its proper divisors (190753296).

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

88721760 is a wasteful number, since it uses less digits than its factorization.

88721760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184855 (or 184847 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 88721760 is about 9419.2228978828. Note that the first 3 decimals coincide. The cubic root of 88721760 is about 446.0087539421.

The spelling of 88721760 in words is "eighty-eight million, seven hundred twenty-one thousand, seven hundred sixty".