83964551 has 8 divisors (see below), whose sum is σ = 91665408. Its totient is φ = 76275000.

The previous prime is 83964539. The next prime is 83964557. The reversal of 83964551 is 15546938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83964551 - 2¹⁴ = 83948167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83964499 and 83964508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83964557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23066 + ... + 26456.

It is an arithmetic number, because the mean of its divisors is an integer number (11458176).

Almost surely, 2^83964551 is an apocalyptic number.

83964551 is a deficient number, since it is larger than the sum of its proper divisors (7700857).

83964551 is a wasteful number, since it uses less digits than its factorization.

83964551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653.

The product of its digits is 129600, while the sum is 41.

The square root of 83964551 is about 9163.2172843385. The cubic root of 83964551 is about 437.8902983467.

The spelling of 83964551 in words is "eighty-three million, nine hundred sixty-four thousand, five hundred fifty-one".