87474038128 has 10 divisors (see below), whose sum is σ = 169480948904. Its totient is φ = 43737019056.

The previous prime is 87474038123. The next prime is 87474038137. The reversal of 87474038128 is 82183047478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87474038123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2733563676 + ... + 2733563707.

Almost surely, 2^87474038128 is an apocalyptic number.

It is an amenable number.

87474038128 is a deficient number, since it is larger than the sum of its proper divisors (82006910776).

87474038128 is a wasteful number, since it uses less digits than its factorization.

87474038128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467127391 (or 5467127385 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 87474038128 in words is "eighty-seven billion, four hundred seventy-four million, thirty-eight thousand, one hundred twenty-eight".