89670537 has 32 divisors (see below), whose sum is σ = 151234560. Its totient is φ = 51978960.

The previous prime is 89670533. The next prime is 89670547. The reversal of 89670537 is 73507698.

It is a happy number.

It is not a de Polignac number, because 89670537 - 2² = 89670533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89670492 and 89670501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89670533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268 + ... + 13394.

It is an arithmetic number, because the mean of its divisors is an integer number (4726080).

Almost surely, 2^89670537 is an apocalyptic number.

It is an amenable number.

89670537 is a deficient number, since it is larger than the sum of its proper divisors (61564023).

89670537 is a wasteful number, since it uses less digits than its factorization.

89670537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170 (or 13164 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 89670537 is about 9469.4528353015. The cubic root of 89670537 is about 447.5929700827.

The spelling of 89670537 in words is "eighty-nine million, six hundred seventy thousand, five hundred thirty-seven".