87925462881 has 4 divisors (see below), whose sum is σ = 117233950512. Its totient is φ = 58616975252.

The previous prime is 87925462873. The next prime is 87925462909. The reversal of 87925462881 is 18826452978.

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.

It is a cyclic number.

It is not a de Polignac number, because 87925462881 - 2³ = 87925462873 is a prime.

It is a super-2 number, since 2×87925462881² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87925462811) 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, 14654243811 + ... + 14654243816.

It is an arithmetic number, because the mean of its divisors is an integer number (29308487628).

Almost surely, 2^87925462881 is an apocalyptic number.

It is an amenable number.

87925462881 is a deficient number, since it is larger than the sum of its proper divisors (29308487631).

87925462881 is a wasteful number, since it uses less digits than its factorization.

87925462881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29308487630.

The product of its digits is 15482880, while the sum is 60.

The spelling of 87925462881 in words is "eighty-seven billion, nine hundred twenty-five million, four hundred sixty-two thousand, eight hundred eighty-one".