87041672 has 8 divisors (see below), whose sum is σ = 163203150. Its totient is φ = 43520832.

The previous prime is 87041671. The next prime is 87041687. The reversal of 87041672 is 27614078.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 40883236 = 6794^2 + 6394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (87041671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440097 + ... + 5440112.

Almost surely, 2^87041672 is an apocalyptic number.

It is an amenable number.

87041672 is a deficient number, since it is larger than the sum of its proper divisors (76161478).

87041672 is a wasteful number, since it uses less digits than its factorization.

87041672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880215 (or 10880211 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 87041672 is about 9329.6126393329. The cubic root of 87041672 is about 443.1754982393.

The spelling of 87041672 in words is "eighty-seven million, forty-one thousand, six hundred seventy-two".