87428068894 has 8 divisors (see below), whose sum is σ = 138856344768. Its totient is φ = 41142620640.

The previous prime is 87428068837. The next prime is 87428068927. The reversal of 87428068894 is 49886082478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285706862 + ... + 1285706929.

It is an arithmetic number, because the mean of its divisors is an integer number (17357043096).

Almost surely, 2^87428068894 is an apocalyptic number.

87428068894 is a deficient number, since it is larger than the sum of its proper divisors (51428275874).

87428068894 is a wasteful number, since it uses less digits than its factorization.

87428068894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571413810.

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 87428068894 in words is "eighty-seven billion, four hundred twenty-eight million, sixty-eight thousand, eight hundred ninety-four".