87701996444 has 24 divisors (see below), whose sum is σ = 159886666800. Its totient is φ = 42056347520.

The previous prime is 87701996441. The next prime is 87701996449. The reversal of 87701996444 is 44469910778.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87701996441) 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, 4522259 + ... + 4541610.

It is an arithmetic number, because the mean of its divisors is an integer number (6661944450).

Almost surely, 2^87701996444 is an apocalyptic number.

It is an amenable number.

87701996444 is a deficient number, since it is larger than the sum of its proper divisors (72184670356).

87701996444 is a wasteful number, since it uses less digits than its factorization.

87701996444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9063973 (or 9063971 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 87701996444 in words is "eighty-seven billion, seven hundred one million, nine hundred ninety-six thousand, four hundred forty-four".