87254003557 has 4 divisors (see below), whose sum is σ = 99718861216. Its totient is φ = 74789145900.

The previous prime is 87254003519. The next prime is 87254003609. The reversal of 87254003557 is 75530045278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75530045278 = 2 ⋅37765022639.

It is a de Polignac number, because none of the positive numbers 2^k-87254003557 is a prime.

It is a super-2 number, since 2×87254003557² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87254004557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6232428819 + ... + 6232428832.

It is an arithmetic number, because the mean of its divisors is an integer number (24929715304).

Almost surely, 2^87254003557 is an apocalyptic number.

It is an amenable number.

87254003557 is a deficient number, since it is larger than the sum of its proper divisors (12464857659).

87254003557 is a wasteful number, since it uses less digits than its factorization.

87254003557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464857658.

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 87254003557 in words is "eighty-seven billion, two hundred fifty-four million, three thousand, five hundred fifty-seven".