87955299256 has 32 divisors (see below), whose sum is σ = 182957875200. Its totient is φ = 39302057440.

The previous prime is 87955299251. The next prime is 87955299277. The reversal of 87955299256 is 65299255978.

It is a super-2 number, since 2×87955299256² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87955299191 and 87955299200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87955299251) 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, 8465080 + ... + 8475463.

It is an arithmetic number, because the mean of its divisors is an integer number (5717433600).

Almost surely, 2^87955299256 is an apocalyptic number.

It is an amenable number.

87955299256 is an abundant number, since it is smaller than the sum of its proper divisors (95002575944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87955299256 is a wasteful number, since it uses less digits than its factorization.

87955299256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940619 (or 16940615 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 67.

The spelling of 87955299256 in words is "eighty-seven billion, nine hundred fifty-five million, two hundred ninety-nine thousand, two hundred fifty-six".