89627989770 has 48 divisors (see below), whose sum is σ = 254217573792. Its totient is φ = 21727997280.

The previous prime is 89627989709. The next prime is 89627989793. The reversal of 89627989770 is 7798972698.

It is a super-2 number, since 2×89627989770² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45265672 + ... + 45267651.

It is an arithmetic number, because the mean of its divisors is an integer number (5296199454).

Almost surely, 2^89627989770 is an apocalyptic number.

89627989770 is an abundant number, since it is smaller than the sum of its proper divisors (164589584022).

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

89627989770 is a wasteful number, since it uses less digits than its factorization.

89627989770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90533347 (or 90533344 counting only the distinct ones).

The product of its (nonzero) digits is 192036096, while the sum is 72.

It can be divided in two parts, 896279 and 89770, that added together give a square (986049 = 993²).

The spelling of 89627989770 in words is "eighty-nine billion, six hundred twenty-seven million, nine hundred eighty-nine thousand, seven hundred seventy".