89138955 has 8 divisors (see below), whose sum is σ = 142622352. Its totient is φ = 47540768.

The previous prime is 89138941. The next prime is 89138969. The reversal of 89138955 is 55983198.

It is an interprime number because it is at equal distance from previous prime (89138941) and next prime (89138969).

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

It is a cyclic number.

It is not a de Polignac number, because 89138955 - 2¹³ = 89130763 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2971284 + ... + 2971313.

It is an arithmetic number, because the mean of its divisors is an integer number (17827794).

Almost surely, 2^89138955 is an apocalyptic number.

89138955 is a deficient number, since it is larger than the sum of its proper divisors (53483397).

89138955 is a wasteful number, since it uses less digits than its factorization.

89138955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942605.

The product of its digits is 388800, while the sum is 48.

The square root of 89138955 is about 9441.3428599961. The cubic root of 89138955 is about 446.7067477832.

The spelling of 89138955 in words is "eighty-nine million, one hundred thirty-eight thousand, nine hundred fifty-five".