87489529031 has 8 divisors (see below), whose sum is σ = 87915246144. Its totient is φ = 87064473600.

The previous prime is 87489528989. The next prime is 87489529091. The reversal of 87489529031 is 13092598478.

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

It is a cyclic number.

It is not a de Polignac number, because 87489529031 - 2⁶ = 87489528967 is a prime.

It is a super-2 number, since 2×87489529031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87489529091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100706 + ... + 430256.

It is an arithmetic number, because the mean of its divisors is an integer number (10989405768).

Almost surely, 2^87489529031 is an apocalyptic number.

87489529031 is a deficient number, since it is larger than the sum of its proper divisors (425717113).

87489529031 is a wasteful number, since it uses less digits than its factorization.

87489529031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330841.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 87489529031 in words is "eighty-seven billion, four hundred eighty-nine million, five hundred twenty-nine thousand, thirty-one".