87231441044 has 48 divisors (see below), whose sum is σ = 175646983680. Its totient is φ = 37488918240.

The previous prime is 87231441019. The next prime is 87231441047. The reversal of 87231441044 is 44014413278.

It is a happy number.

It is a super-2 number, since 2×87231441044² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 87231440989 and 87231441007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87231441047) 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, 316787 + ... + 524229.

It is an arithmetic number, because the mean of its divisors is an integer number (3659312160).

Almost surely, 2^87231441044 is an apocalyptic number.

It is an amenable number.

87231441044 is an abundant number, since it is smaller than the sum of its proper divisors (88415542636).

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

87231441044 is a wasteful number, since it uses less digits than its factorization.

87231441044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207980 (or 207978 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 87231441044 in words is "eighty-seven billion, two hundred thirty-one million, four hundred forty-one thousand, forty-four".