87131882454 has 64 divisors (see below), whose sum is σ = 180779558400. Its totient is φ = 27974999808.

The previous prime is 87131882437. The next prime is 87131882477. The reversal of 87131882454 is 45428813178.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87131882397 and 87131882406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11523127 + ... + 11530685.

It is an arithmetic number, because the mean of its divisors is an integer number (2824680600).

Almost surely, 2^87131882454 is an apocalyptic number.

87131882454 is an abundant number, since it is smaller than the sum of its proper divisors (93647675946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87131882454 is a wasteful number, since it uses less digits than its factorization.

87131882454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117.

The product of its digits is 1720320, while the sum is 51.

The spelling of 87131882454 in words is "eighty-seven billion, one hundred thirty-one million, eight hundred eighty-two thousand, four hundred fifty-four".