89742061850 has 72 divisors (see below), whose sum is σ = 197836436988. Its totient is φ = 30188121600.

The previous prime is 89742061831. The next prime is 89742061901. The reversal of 89742061850 is 5816024798.

It can be written as a sum of positive squares in 6 ways, for example, as 59549176729 + 30192885121 = 244027^2 + 173761^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 215711 + ... + 475410.

Almost surely, 2^89742061850 is an apocalyptic number.

89742061850 is an abundant number, since it is smaller than the sum of its proper divisors (108094375138).

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

89742061850 is a wasteful number, since it uses less digits than its factorization.

89742061850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691200 (or 691188 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 89742061850 in words is "eighty-nine billion, seven hundred forty-two million, sixty-one thousand, eight hundred fifty".