86478038916 has 24 divisors (see below), whose sum is σ = 201853395744. Its totient is φ = 28815826560.

The previous prime is 86478038903. The next prime is 86478038921. The reversal of 86478038916 is 61983087468.

It is a self number, because there is not a number n which added to its sum of digits gives 86478038916.

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, 1237890 + ... + 1305881.

It is an arithmetic number, because the mean of its divisors is an integer number (8410558156).

Almost surely, 2^86478038916 is an apocalyptic number.

It is an amenable number.

86478038916 is an abundant number, since it is smaller than the sum of its proper divisors (115375356828).

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

86478038916 is a wasteful number, since it uses less digits than its factorization.

86478038916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546611 (or 2546609 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 86478038916 in words is "eighty-six billion, four hundred seventy-eight million, thirty-eight thousand, nine hundred sixteen".