87433387439 has 12 divisors (see below), whose sum is σ = 89295663240. Its totient is φ = 85608174000.

The previous prime is 87433387373. The next prime is 87433387519. The reversal of 87433387439 is 93478333478.

It is not a de Polignac number, because 87433387439 - 2¹⁶ = 87433321903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87433387039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823697 + ... + 923765.

It is an arithmetic number, because the mean of its divisors is an integer number (7441305270).

Almost surely, 2^87433387439 is an apocalyptic number.

87433387439 is a deficient number, since it is larger than the sum of its proper divisors (1862275801).

87433387439 is a wasteful number, since it uses less digits than its factorization.

87433387439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100438 (or 100379 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 59.

The spelling of 87433387439 in words is "eighty-seven billion, four hundred thirty-three million, three hundred eighty-seven thousand, four hundred thirty-nine".