89064961786 has 4 divisors (see below), whose sum is σ = 133597442682. Its totient is φ = 44532480892.

The previous prime is 89064961771. The next prime is 89064961787. The reversal of 89064961786 is 68716946098.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68716946098 = 2 ⋅34358473049.

It can be written as a sum of positive squares in only one way, i.e., 84724655625 + 4340306161 = 291075^2 + 65881^2 .

It is not an unprimeable number, because it can be changed into a prime (89064961787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22266240445 + ... + 22266240448.

Almost surely, 2^89064961786 is an apocalyptic number.

89064961786 is a deficient number, since it is larger than the sum of its proper divisors (44532480896).

89064961786 is a wasteful number, since it uses less digits than its factorization.

89064961786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44532480895.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 89064961786 in words is "eighty-nine billion, sixty-four million, nine hundred sixty-one thousand, seven hundred eighty-six".