87153601998 has 16 divisors (see below), whose sum is σ = 174353083776. Its totient is φ = 29043554040.

The previous prime is 87153601993. The next prime is 87153602047. The reversal of 87153601998 is 89910635178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87153601993) 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, 1886938 + ... + 1932573.

It is an arithmetic number, because the mean of its divisors is an integer number (10897067736).

Almost surely, 2^87153601998 is an apocalyptic number.

87153601998 is an abundant number, since it is smaller than the sum of its proper divisors (87199481778).

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

87153601998 is a wasteful number, since it uses less digits than its factorization.

87153601998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823319.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 87153601998 in words is "eighty-seven billion, one hundred fifty-three million, six hundred one thousand, nine hundred ninety-eight".