83078553 has 8 divisors (see below), whose sum is σ = 115587648. Its totient is φ = 52977584.

The previous prime is 83078531. The next prime is 83078603. The reversal of 83078553 is 35587038.

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 83078553 - 2⁵ = 83078521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83078053) 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, 601950 + ... + 602087.

It is an arithmetic number, because the mean of its divisors is an integer number (14448456).

Almost surely, 2^83078553 is an apocalyptic number.

It is an amenable number.

83078553 is a deficient number, since it is larger than the sum of its proper divisors (32509095).

83078553 is a wasteful number, since it uses less digits than its factorization.

83078553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204063.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 83078553 is about 9114.7437155413. The cubic root of 83078553 is about 436.3446356981.

The spelling of 83078553 in words is "eighty-three million, seventy-eight thousand, five hundred fifty-three".