87806356441 has 4 divisors (see below), whose sum is σ = 90638819584. Its totient is φ = 84973893300.

The previous prime is 87806356423. The next prime is 87806356489. The reversal of 87806356441 is 14465360878.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87806356441 - 2¹¹ = 87806354393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87806356541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416231525 + ... + 1416231586.

It is an arithmetic number, because the mean of its divisors is an integer number (22659704896).

Almost surely, 2^87806356441 is an apocalyptic number.

It is an amenable number.

87806356441 is a deficient number, since it is larger than the sum of its proper divisors (2832463143).

87806356441 is a wasteful number, since it uses less digits than its factorization.

87806356441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832463142.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 87806356441 in words is "eighty-seven billion, eight hundred six million, three hundred fifty-six thousand, four hundred forty-one".