87400632716472 has 32 divisors (see below), whose sum is σ = 218516218736400. Its totient is φ = 29131592646144.

The previous prime is 87400632716443. The next prime is 87400632716581. The reversal of 87400632716472 is 27461723600478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121608783 + ... + 122325374.

Almost surely, 2^{87400632716472} is an apocalyptic number.

It is an amenable number.

87400632716472 is an abundant number, since it is smaller than the sum of its proper divisors (131115586019928).

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

87400632716472 is a wasteful number, since it uses less digits than its factorization.

87400632716472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243949095 (or 243949091 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 87400632716472 in words is "eighty-seven trillion, four hundred billion, six hundred thirty-two million, seven hundred sixteen thousand, four hundred seventy-two".