87061662157 has 8 divisors (see below), whose sum is σ = 92091432384. Its totient is φ = 82135598688.

The previous prime is 87061662151. The next prime is 87061662167. The reversal of 87061662157 is 75126616078.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87061662157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87061662157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87061662151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25924963 + ... + 25928320.

It is an arithmetic number, because the mean of its divisors is an integer number (11511429048).

Almost surely, 2^87061662157 is an apocalyptic number.

It is an amenable number.

87061662157 is a deficient number, since it is larger than the sum of its proper divisors (5029770227).

87061662157 is a wasteful number, since it uses less digits than its factorization.

87061662157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51853379.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 87061662157 in words is "eighty-seven billion, sixty-one million, six hundred sixty-two thousand, one hundred fifty-seven".