86957987029 has 16 divisors (see below), whose sum is σ = 88340843520. Its totient is φ = 85589576640.

The previous prime is 86957986967. The next prime is 86957987041. The reversal of 86957987029 is 92078975968.

It is a cyclic number.

It is not a de Polignac number, because 86957987029 - 2¹⁹ = 86957462741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86957987099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7123359 + ... + 7135555.

It is an arithmetic number, because the mean of its divisors is an integer number (5521302720).

Almost surely, 2^86957987029 is an apocalyptic number.

It is an amenable number.

86957987029 is a deficient number, since it is larger than the sum of its proper divisors (1382856491).

86957987029 is a wasteful number, since it uses less digits than its factorization.

86957987029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780.

The product of its (nonzero) digits is 137168640, while the sum is 70.

The spelling of 86957987029 in words is "eighty-six billion, nine hundred fifty-seven million, nine hundred eighty-seven thousand, twenty-nine".