87260199929 has 16 divisors (see below), whose sum is σ = 108998378496. Its totient is φ = 68123980800.

The previous prime is 87260199911. The next prime is 87260199973. The reversal of 87260199929 is 92999106278.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87260199929 is a prime.

It is a super-2 number, since 2×87260199929² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87260199979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11823392 + ... + 11830769.

It is an arithmetic number, because the mean of its divisors is an integer number (6812398656).

Almost surely, 2^87260199929 is an apocalyptic number.

It is an amenable number.

87260199929 is a deficient number, since it is larger than the sum of its proper divisors (21738178567).

87260199929 is a wasteful number, since it uses less digits than its factorization.

87260199929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23654216.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 87260199929 in words is "eighty-seven billion, two hundred sixty million, one hundred ninety-nine thousand, nine hundred twenty-nine".