87118072 has 32 divisors (see below), whose sum is σ = 167731200. Its totient is φ = 42400224.

The previous prime is 87118067. The next prime is 87118079. The reversal of 87118072 is 27081178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87118079) 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, 83329 + ... + 84367.

It is an arithmetic number, because the mean of its divisors is an integer number (5241600).

Almost surely, 2^87118072 is an apocalyptic number.

It is an amenable number.

87118072 is a deficient number, since it is larger than the sum of its proper divisors (80613128).

87118072 is a wasteful number, since it uses less digits than its factorization.

87118072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 87118072 is about 9333.7062306460. The cubic root of 87118072 is about 443.3051246805.

The spelling of 87118072 in words is "eighty-seven million, one hundred eighteen thousand, seventy-two".