87671559754 has 4 divisors (see below), whose sum is σ = 131507339634. Its totient is φ = 43835779876.

The previous prime is 87671559749. The next prime is 87671559791. The reversal of 87671559754 is 45795517678.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78133107529 + 9538452225 = 279523^2 + 97665^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21917889937 + ... + 21917889940.

Almost surely, 2^87671559754 is an apocalyptic number.

87671559754 is a deficient number, since it is larger than the sum of its proper divisors (43835779880).

87671559754 is a wasteful number, since it uses less digits than its factorization.

87671559754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43835779879.

The product of its digits is 74088000, while the sum is 64.

The spelling of 87671559754 in words is "eighty-seven billion, six hundred seventy-one million, five hundred fifty-nine thousand, seven hundred fifty-four".