87461761571 has 8 divisors (see below), whose sum is σ = 92096632080. Its totient is φ = 82830053088.

The previous prime is 87461761567. The next prime is 87461761573. The reversal of 87461761571 is 17516716478.

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

It is a cyclic number.

It is not a de Polignac number, because 87461761571 - 2² = 87461761567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87461761573) 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, 733616 + ... + 844461.

It is an arithmetic number, because the mean of its divisors is an integer number (11512079010).

Almost surely, 2^87461761571 is an apocalyptic number.

87461761571 is a deficient number, since it is larger than the sum of its proper divisors (4634870509).

87461761571 is a wasteful number, since it uses less digits than its factorization.

87461761571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581013.

The product of its digits is 1975680, while the sum is 53.

The spelling of 87461761571 in words is "eighty-seven billion, four hundred sixty-one million, seven hundred sixty-one thousand, five hundred seventy-one".