87857296029 has 32 divisors (see below), whose sum is σ = 137964384000. Its totient is φ = 55066540032.

The previous prime is 87857296027. The next prime is 87857296069. The reversal of 87857296029 is 92069275878.

It is not a de Polignac number, because 87857296029 - 2¹ = 87857296027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87857296027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323392 + ... + 529430.

It is an arithmetic number, because the mean of its divisors is an integer number (4311387000).

Almost surely, 2^87857296029 is an apocalyptic number.

It is an amenable number.

87857296029 is a deficient number, since it is larger than the sum of its proper divisors (50107087971).

87857296029 is a wasteful number, since it uses less digits than its factorization.

87857296029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206994 (or 206988 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 87857296029 in words is "eighty-seven billion, eight hundred fifty-seven million, two hundred ninety-six thousand, twenty-nine".