89878562 has 8 divisors (see below), whose sum is σ = 134880876. Its totient is φ = 44918272.

The previous prime is 89878463. The next prime is 89878567. The reversal of 89878562 is 26587898.

It can be written as a sum of positive squares in 2 ways, for example, as 79192201 + 10686361 = 8899^2 + 3269^2 .

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

It is not an unprimeable number, because it can be changed into a prime (89878567) 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, 4463 + ... + 14130.

Almost surely, 2^89878562 is an apocalyptic number.

89878562 is a deficient number, since it is larger than the sum of its proper divisors (45002314).

89878562 is a wasteful number, since it uses less digits than its factorization.

89878562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012.

The product of its digits is 1935360, while the sum is 53.

The square root of 89878562 is about 9480.4304754584. The cubic root of 89878562 is about 447.9388236246.

The spelling of 89878562 in words is "eighty-nine million, eight hundred seventy-eight thousand, five hundred sixty-two".