89619948670 has 48 divisors (see below), whose sum is σ = 186725171808. Its totient is φ = 30337744320.

The previous prime is 89619948647. The next prime is 89619948673. The reversal of 89619948670 is 7684991698.

It is a super-2 number, since 2×89619948670² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89619948596 and 89619948605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89619948673) 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, 334300 + ... + 539440.

It is an arithmetic number, because the mean of its divisors is an integer number (3890107746).

Almost surely, 2^89619948670 is an apocalyptic number.

89619948670 is an abundant number, since it is smaller than the sum of its proper divisors (97105223138).

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

89619948670 is a wasteful number, since it uses less digits than its factorization.

89619948670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205313 (or 205234 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 89619948670 in words is "eighty-nine billion, six hundred nineteen million, nine hundred forty-eight thousand, six hundred seventy".