89429784498 has 48 divisors (see below), whose sum is σ = 201020352000. Its totient is φ = 28703315520.

The previous prime is 89429784491. The next prime is 89429784581. The reversal of 89429784498 is 89448792498.

It is a happy number.

89429784498 is a `hidden beast` number, since 8 + 9 + 42 + 97 + 8 + 4 + 498 = 666.

It is a super-2 number, since 2×89429784498² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89429784491) 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, 291643 + ... + 513726.

It is an arithmetic number, because the mean of its divisors is an integer number (4187924000).

Almost surely, 2^89429784498 is an apocalyptic number.

89429784498 is an abundant number, since it is smaller than the sum of its proper divisors (111590567502).

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

89429784498 is a wasteful number, since it uses less digits than its factorization.

89429784498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805607 (or 805604 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 72.

The spelling of 89429784498 in words is "eighty-nine billion, four hundred twenty-nine million, seven hundred eighty-four thousand, four hundred ninety-eight".