89434029931 has 4 divisors (see below), whose sum is σ = 91121464512. Its totient is φ = 87746595352.

The previous prime is 89434029911. The next prime is 89434029953. The reversal of 89434029931 is 13992043498.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89434029931 - 2⁵ = 89434029899 is a prime.

It is a super-2 number, since 2×89434029931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89434029901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843717211 + ... + 843717316.

It is an arithmetic number, because the mean of its divisors is an integer number (22780366128).

Almost surely, 2^89434029931 is an apocalyptic number.

89434029931 is a deficient number, since it is larger than the sum of its proper divisors (1687434581).

89434029931 is a wasteful number, since it uses less digits than its factorization.

89434029931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687434580.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 89434029931 in words is "eighty-nine billion, four hundred thirty-four million, twenty-nine thousand, nine hundred thirty-one".