87180988033 has 8 divisors (see below), whose sum is σ = 89055180288. Its totient is φ = 85307599104.

The previous prime is 87180988019. The next prime is 87180988039. The reversal of 87180988033 is 33088908178.

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 87180988033 - 2¹³ = 87180979841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87180988039) 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, 21160 + ... + 418102.

It is an arithmetic number, because the mean of its divisors is an integer number (11131897536).

Almost surely, 2^87180988033 is an apocalyptic number.

It is an amenable number.

87180988033 is a deficient number, since it is larger than the sum of its proper divisors (1874192255).

87180988033 is a wasteful number, since it uses less digits than its factorization.

87180988033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401663.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 87180988033 in words is "eighty-seven billion, one hundred eighty million, nine hundred eighty-eight thousand, thirty-three".