87650101 has 12 divisors (see below), whose sum is σ = 110106976. Its totient is φ = 68298120.

The previous prime is 87650099. The next prime is 87650119. The reversal of 87650101 is 10105678.

It is a happy number.

It is not a de Polignac number, because 87650101 - 2¹ = 87650099 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 87650101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87650131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50895 + ... + 52588.

Almost surely, 2^87650101 is an apocalyptic number.

It is an amenable number.

87650101 is a deficient number, since it is larger than the sum of its proper divisors (22456875).

87650101 is a wasteful number, since it uses less digits than its factorization.

87650101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103512 (or 103501 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 87650101 is about 9362.1632649725. The cubic root of 87650101 is about 444.2057135237.

Adding to 87650101 its reverse (10105678), we get a palindrome (97755779).

The spelling of 87650101 in words is "eighty-seven million, six hundred fifty thousand, one hundred one".