89742943998 has 48 divisors (see below), whose sum is σ = 204897934800. Its totient is φ = 28309271040.

The previous prime is 89742943957. The next prime is 89742943999. The reversal of 89742943998 is 89934924798.

89742943998 is a `hidden beast` number, since 89 + 7 + 4 + 29 + 439 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89742943999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176488 + ... + 458948.

It is an arithmetic number, because the mean of its divisors is an integer number (4268706975).

Almost surely, 2^89742943998 is an apocalyptic number.

89742943998 is an abundant number, since it is smaller than the sum of its proper divisors (115154990802).

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

89742943998 is a wasteful number, since it uses less digits than its factorization.

89742943998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283417 (or 283414 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The spelling of 89742943998 in words is "eighty-nine billion, seven hundred forty-two million, nine hundred forty-three thousand, nine hundred ninety-eight".