88012540 has 96 divisors (see below), whose sum is σ = 234146304. Its totient is φ = 26991360.

The previous prime is 88012501. The next prime is 88012567. The reversal of 88012540 is 4521088.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 88012499 and 88012508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102754 + ... + 103606.

It is an arithmetic number, because the mean of its divisors is an integer number (2439024).

Almost surely, 2^88012540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88012540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117073152).

88012540 is an abundant number, since it is smaller than the sum of its proper divisors (146133764).

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

88012540 is a wasteful number, since it uses less digits than its factorization.

88012540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 88012540 is about 9381.4998800831. The cubic root of 88012540 is about 444.8171449212.

The spelling of 88012540 in words is "eighty-eight million, twelve thousand, five hundred forty".