83670653 has 16 divisors (see below), whose sum is σ = 94574400. Its totient is φ = 73964880.

The previous prime is 83670649. The next prime is 83670667. The reversal of 83670653 is 35607638.

It is not a de Polignac number, because 83670653 - 2² = 83670649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83670553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48398 + ... + 50096.

It is an arithmetic number, because the mean of its divisors is an integer number (5910900).

Almost surely, 2^83670653 is an apocalyptic number.

It is an amenable number.

83670653 is a deficient number, since it is larger than the sum of its proper divisors (10903747).

83670653 is a wasteful number, since it uses less digits than its factorization.

83670653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 83670653 is about 9147.1663918396. The cubic root of 83670653 is about 437.3787906942.

The spelling of 83670653 in words is "eighty-three million, six hundred seventy thousand, six hundred fifty-three".