82415755 has 8 divisors (see below), whose sum is σ = 99335952. Its totient is φ = 65641248.

The previous prime is 82415747. The next prime is 82415771. The reversal of 82415755 is 55751428.

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 82415755 - 2³ = 82415747 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, 35172 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (12416994).

Almost surely, 2^82415755 is an apocalyptic number.

82415755 is a deficient number, since it is larger than the sum of its proper divisors (16920197).

82415755 is a wasteful number, since it uses less digits than its factorization.

82415755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72845.

The product of its digits is 56000, while the sum is 37.

The square root of 82415755 is about 9078.3123431616. The cubic root of 82415755 is about 435.1811550054.

The spelling of 82415755 in words is "eighty-two million, four hundred fifteen thousand, seven hundred fifty-five".