89270085961 has 9 divisors (see below), whose sum is σ = 103847226861. Its totient is φ = 76515423852.

The previous prime is 89270085953. The next prime is 89270085991. The reversal of 89270085961 is 16958007298.

The square root of 89270085961 is 298781.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 89270085961 - 2³ = 89270085953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89270085901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2070126 + ... + 2112808.

Almost surely, 2^89270085961 is an apocalyptic number.

89270085961 is the 298781-st square number.

89270085961 is the 149391-st centered octagonal number.

It is an amenable number.

89270085961 is a deficient number, since it is larger than the sum of its proper divisors (14577140900).

89270085961 is an frugal number, since it uses more digits than its factorization.

89270085961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85380 (or 42690 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 89270085961 in words is "eighty-nine billion, two hundred seventy million, eighty-five thousand, nine hundred sixty-one".