82750078 has 4 divisors (see below), whose sum is σ = 124125120. Its totient is φ = 41375038.

The previous prime is 82750069. The next prime is 82750117. The reversal of 82750078 is 87005728.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20687518 + ... + 20687521.

It is an arithmetic number, because the mean of its divisors is an integer number (31031280).

Almost surely, 2^82750078 is an apocalyptic number.

82750078 is a deficient number, since it is larger than the sum of its proper divisors (41375042).

82750078 is a wasteful number, since it uses less digits than its factorization.

82750078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41375041.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 82750078 is about 9096.7069865969. The cubic root of 82750078 is about 435.7688047059.

It can be divided in two parts, 827 and 50078, that added together give a palindrome (50905).

The spelling of 82750078 in words is "eighty-two million, seven hundred fifty thousand, seventy-eight".