89728185370 has 8 divisors (see below), whose sum is σ = 161510733684. Its totient is φ = 35891274144.

The previous prime is 89728185329. The next prime is 89728185397. The reversal of 89728185370 is 7358182798.

It can be written as a sum of positive squares in 2 ways, for example, as 85358049921 + 4370135449 = 292161^2 + 66107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89728185370² (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 3 ways as a sum of consecutive naturals, for example, 4486409259 + ... + 4486409278.

Almost surely, 2^89728185370 is an apocalyptic number.

89728185370 is a deficient number, since it is larger than the sum of its proper divisors (71782548314).

89728185370 is a wasteful number, since it uses less digits than its factorization.

89728185370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972818544.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 89728185370 in words is "eighty-nine billion, seven hundred twenty-eight million, one hundred eighty-five thousand, three hundred seventy".