87490775080 has 16 divisors (see below), whose sum is σ = 196854244020. Its totient is φ = 34996310016.

The previous prime is 87490775011. The next prime is 87490775083. The reversal of 87490775080 is 8057709478.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84952429156 + 2538345924 = 291466^2 + 50382^2 .

It is not an unprimeable number, because it can be changed into a prime (87490775083) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1093634649 + ... + 1093634728.

Almost surely, 2^87490775080 is an apocalyptic number.

It is an amenable number.

87490775080 is an abundant number, since it is smaller than the sum of its proper divisors (109363468940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87490775080 is a wasteful number, since it uses less digits than its factorization.

87490775080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187269388 (or 2187269384 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 87490775080 in words is "eighty-seven billion, four hundred ninety million, seven hundred seventy-five thousand, eighty".