83089764 has 18 divisors (see below), whose sum is σ = 210032550. Its totient is φ = 27696576.

The previous prime is 83089729. The next prime is 83089789. The reversal of 83089764 is 46798038.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 4235364 = 8880^2 + 2058^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1153989 + ... + 1154060.

It is an arithmetic number, because the mean of its divisors is an integer number (11668475).

Almost surely, 2^83089764 is an apocalyptic number.

It is an amenable number.

83089764 is an abundant number, since it is smaller than the sum of its proper divisors (126942786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83089764 is a wasteful number, since it uses less digits than its factorization.

83089764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308059 (or 2308054 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 83089764 is about 9115.3586874023. The cubic root of 83089764 is about 436.3642622624.

The spelling of 83089764 in words is "eighty-three million, eighty-nine thousand, seven hundred sixty-four".