87847474541 has 4 divisors (see below), whose sum is σ = 89716569792. Its totient is φ = 85978379292.

The previous prime is 87847474501. The next prime is 87847474697. The reversal of 87847474541 is 14547474878.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14547474878 = 2 ⋅7273737439.

It is a cyclic number.

It is not a de Polignac number, because 87847474541 - 2²² = 87843280237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87847474501) 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, 934547555 + ... + 934547648.

It is an arithmetic number, because the mean of its divisors is an integer number (22429142448).

Almost surely, 2^87847474541 is an apocalyptic number.

It is an amenable number.

87847474541 is a deficient number, since it is larger than the sum of its proper divisors (1869095251).

87847474541 is a wasteful number, since it uses less digits than its factorization.

87847474541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869095250.

The product of its digits is 28098560, while the sum is 59.

The spelling of 87847474541 in words is "eighty-seven billion, eight hundred forty-seven million, four hundred seventy-four thousand, five hundred forty-one".