87916033838 has 8 divisors (see below), whose sum is σ = 131875362480. Its totient is φ = 43957579680.

The previous prime is 87916033801. The next prime is 87916033847. The reversal of 87916033838 is 83833061978.

It is a happy number.

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

It is a super-2 number, since 2×87916033838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173078 + ... + 453638.

It is an arithmetic number, because the mean of its divisors is an integer number (16484420310).

Almost surely, 2^87916033838 is an apocalyptic number.

87916033838 is a deficient number, since it is larger than the sum of its proper divisors (43959328642).

87916033838 is a wasteful number, since it uses less digits than its factorization.

87916033838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437242.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 87916033838 in words is "eighty-seven billion, nine hundred sixteen million, thirty-three thousand, eight hundred thirty-eight".