87471901 has 8 divisors (see below), whose sum is σ = 97751808. Its totient is φ = 77580000.

The previous prime is 87471899. The next prime is 87471911. The reversal of 87471901 is 10917478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87471901 - 2¹ = 87471899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87471911) 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, 96525 + ... + 97426.

It is an arithmetic number, because the mean of its divisors is an integer number (12218976).

Almost surely, 2^87471901 is an apocalyptic number.

It is an amenable number.

87471901 is a deficient number, since it is larger than the sum of its proper divisors (10279907).

87471901 is a wasteful number, since it uses less digits than its factorization.

87471901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194003.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 87471901 is about 9352.6413916070. The cubic root of 87471901 is about 443.9044734700.

It can be divided in two parts, 8747 and 1901, that added together give a cube (10648 = 22³).

The spelling of 87471901 in words is "eighty-seven million, four hundred seventy-one thousand, nine hundred one".