89783555040 has 72 divisors (see below), whose sum is σ = 306386386488. Its totient is φ = 23942280960.

The previous prime is 89783555003. The next prime is 89783555093. The reversal of 89783555040 is 4055538798.

89783555040 is a `hidden beast` number, since 8 + 9 + 7 + 83 + 5 + 550 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×89783555040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31173406 + ... + 31176285.

It is an arithmetic number, because the mean of its divisors is an integer number (4255366479).

Almost surely, 2^89783555040 is an apocalyptic number.

89783555040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89783555040 is an abundant number, since it is smaller than the sum of its proper divisors (216602831448).

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

89783555040 is a wasteful number, since it uses less digits than its factorization.

89783555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62349712 (or 62349701 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 89783555040 in words is "eighty-nine billion, seven hundred eighty-three million, five hundred fifty-five thousand, forty".