89463333981 has 16 divisors (see below), whose sum is σ = 136357046784. Its totient is φ = 51109917744.

The previous prime is 89463333959. The next prime is 89463333997. The reversal of 89463333981 is 18933336498.

It is a happy number.

It is not a de Polignac number, because 89463333981 - 2⁶ = 89463333917 is a prime.

It is a super-2 number, since 2×89463333981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89463333941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407391 + ... + 587276.

It is an arithmetic number, because the mean of its divisors is an integer number (8522315424).

Almost surely, 2^89463333981 is an apocalyptic number.

It is an amenable number.

89463333981 is a deficient number, since it is larger than the sum of its proper divisors (46893712803).

89463333981 is a wasteful number, since it uses less digits than its factorization.

89463333981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998960.

The product of its digits is 10077696, while the sum is 57.

The spelling of 89463333981 in words is "eighty-nine billion, four hundred sixty-three million, three hundred thirty-three thousand, nine hundred eighty-one".