83087604 has 18 divisors (see below), whose sum is σ = 210027090. Its totient is φ = 27695856.

The previous prime is 83087603. The next prime is 83087617. The reversal of 83087604 is 40678038.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 1004004 = 9060^2 + 1002^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2307989 = 83087604 / (8 + 3 + 0 + 8 + 7 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83087603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1153959 + ... + 1154030.

Almost surely, 2^83087604 is an apocalyptic number.

It is an amenable number.

83087604 is an abundant number, since it is smaller than the sum of its proper divisors (126939486).

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

83087604 is a wasteful number, since it uses less digits than its factorization.

83087604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307999 (or 2307994 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 83087604 is about 9115.2402052826. The cubic root of 83087604 is about 436.3604809904.

The spelling of 83087604 in words is "eighty-three million, eighty-seven thousand, six hundred four".