83776485 has 32 divisors (see below), whose sum is σ = 146740608. Its totient is φ = 40561920.

The previous prime is 83776481. The next prime is 83776523. The reversal of 83776485 is 58467738.

It is not a de Polignac number, because 83776485 - 2² = 83776481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83776481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8374 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (4585644).

Almost surely, 2^83776485 is an apocalyptic number.

It is an amenable number.

83776485 is a deficient number, since it is larger than the sum of its proper divisors (62964123).

83776485 is a wasteful number, since it uses less digits than its factorization.

83776485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

The product of its digits is 1128960, while the sum is 48.

The square root of 83776485 is about 9152.9495246068. The cubic root of 83776485 is about 437.5631212327.

The spelling of 83776485 in words is "eighty-three million, seven hundred seventy-six thousand, four hundred eighty-five".