82750555 has 8 divisors (see below), whose sum is σ = 99359712. Its totient is φ = 66161088.

The previous prime is 82750541. The next prime is 82750579. The reversal of 82750555 is 55505728.

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 82750555 - 2⁵ = 82750523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6922 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (12419964).

Almost surely, 2^82750555 is an apocalyptic number.

82750555 is a deficient number, since it is larger than the sum of its proper divisors (16609157).

82750555 is a wasteful number, since it uses less digits than its factorization.

82750555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 82750555 is about 9096.7332048379. The cubic root of 82750555 is about 435.7696420115.

The spelling of 82750555 in words is "eighty-two million, seven hundred fifty thousand, five hundred fifty-five".