87452274755997 has 20 divisors (see below), whose sum is σ = 130641056565756. Its totient is φ = 58300412722560.

The previous prime is 87452274755987. The next prime is 87452274756013. The reversal of 87452274755997 is 79955747225478.

87452274755997 is a `hidden beast` number, since 8 + 7 + 4 + 5 + 2 + 2 + 7 + 475 + 59 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42404203446201 + 45048071309796 = 6511851^2 + 6711786^2 .

It is not a de Polignac number, because 87452274755997 - 2¹² = 87452274751901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87452274755987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5904204 + ... + 14483237.

Almost surely, 2^{87452274755997} is an apocalyptic number.

It is an amenable number.

87452274755997 is a deficient number, since it is larger than the sum of its proper divisors (43188781809759).

87452274755997 is a wasteful number, since it uses less digits than its factorization.

87452274755997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20440410 (or 20440401 counting only the distinct ones).

The product of its digits is 12446784000, while the sum is 81.

The spelling of 87452274755997 in words is "eighty-seven trillion, four hundred fifty-two billion, two hundred seventy-four million, seven hundred fifty-five thousand, nine hundred ninety-seven".