87864252757 has 8 divisors (see below), whose sum is σ = 89358688800. Its totient is φ = 86369990544.

The previous prime is 87864252703. The next prime is 87864252779. The reversal of 87864252757 is 75725246878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87864252757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87864252695 and 87864252704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87864252257) 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, 1355358 + ... + 1418704.

It is an arithmetic number, because the mean of its divisors is an integer number (11169836100).

Almost surely, 2^87864252757 is an apocalyptic number.

It is an amenable number.

87864252757 is a deficient number, since it is larger than the sum of its proper divisors (1494436043).

87864252757 is a wasteful number, since it uses less digits than its factorization.

87864252757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86915.

The product of its digits is 52684800, while the sum is 61.

The spelling of 87864252757 in words is "eighty-seven billion, eight hundred sixty-four million, two hundred fifty-two thousand, seven hundred fifty-seven".