86903903997 has 8 divisors (see below), whose sum is σ = 128746524480. Its totient is φ = 57935935980.

The previous prime is 86903903959. The next prime is 86903904011. The reversal of 86903903997 is 79930930968.

It is a de Polignac number, because none of the positive numbers 2^k-86903903997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86903903197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609331529 + ... + 1609331582.

It is an arithmetic number, because the mean of its divisors is an integer number (16093315560).

Almost surely, 2^86903903997 is an apocalyptic number.

It is an amenable number.

86903903997 is a deficient number, since it is larger than the sum of its proper divisors (41842620483).

86903903997 is a wasteful number, since it uses less digits than its factorization.

86903903997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218663120 (or 3218663114 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The spelling of 86903903997 in words is "eighty-six billion, nine hundred three million, nine hundred three thousand, nine hundred ninety-seven".