87028448377157 has 16 divisors (see below), whose sum is σ = 99649295572992. Its totient is φ = 74454766565760.

The previous prime is 87028448377081. The next prime is 87028448377163. The reversal of 87028448377157 is 75177384482078.

It is not a de Polignac number, because 87028448377157 - 2¹⁸ = 87028448115013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83028448377157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604732 + ... + 13973562.

It is an arithmetic number, because the mean of its divisors is an integer number (6228080973312).

Almost surely, 2^{87028448377157} is an apocalyptic number.

It is an amenable number.

87028448377157 is a deficient number, since it is larger than the sum of its proper divisors (12620847195835).

87028448377157 is a wasteful number, since it uses less digits than its factorization.

87028448377157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371348.

The product of its (nonzero) digits is 590069760, while the sum is 71.

The spelling of 87028448377157 in words is "eighty-seven trillion, twenty-eight billion, four hundred forty-eight million, three hundred seventy-seven thousand, one hundred fifty-seven".