87063440402 has 32 divisors (see below), whose sum is σ = 137012373504. Its totient is φ = 41413798800.

The previous prime is 87063440393. The next prime is 87063440459. The reversal of 87063440402 is 20404436078.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6555773 + ... + 6569039.

It is an arithmetic number, because the mean of its divisors is an integer number (4281636672).

Almost surely, 2^87063440402 is an apocalyptic number.

87063440402 is a deficient number, since it is larger than the sum of its proper divisors (49948933102).

87063440402 is a wasteful number, since it uses less digits than its factorization.

87063440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 87063440402 in words is "eighty-seven billion, sixty-three million, four hundred forty thousand, four hundred two".