87255550929 has 16 divisors (see below), whose sum is σ = 123287915520. Its totient is φ = 54794624640.

The previous prime is 87255550867. The next prime is 87255550969. The reversal of 87255550929 is 92905555278.

It is a happy number.

It is not a de Polignac number, because 87255550929 - 2¹¹ = 87255548881 is a prime.

It is a super-2 number, since 2×87255550929² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87255550969) 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, 12227377 + ... + 12234510.

It is an arithmetic number, because the mean of its divisors is an integer number (7705494720).

Almost surely, 2^87255550929 is an apocalyptic number.

It is an amenable number.

87255550929 is a deficient number, since it is larger than the sum of its proper divisors (36032364591).

87255550929 is a wasteful number, since it uses less digits than its factorization.

87255550929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24461960.

The product of its (nonzero) digits is 11340000, while the sum is 57.

The spelling of 87255550929 in words is "eighty-seven billion, two hundred fifty-five million, five hundred fifty thousand, nine hundred twenty-nine".