87066426420 has 96 divisors (see below), whose sum is σ = 278194291200. Its totient is φ = 22590202752.

The previous prime is 87066426401. The next prime is 87066426463. The reversal of 87066426420 is 2462466078.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 2158860 + ... + 2198819.

It is an arithmetic number, because the mean of its divisors is an integer number (2897857200).

Almost surely, 2^87066426420 is an apocalyptic number.

It is an amenable number.

87066426420 is an abundant number, since it is smaller than the sum of its proper divisors (191127864780).

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

87066426420 is a wasteful number, since it uses less digits than its factorization.

87066426420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357734 (or 4357726 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 87066426420 in words is "eighty-seven billion, sixty-six million, four hundred twenty-six thousand, four hundred twenty".