849148078 has 4 divisors (see below), whose sum is σ = 1273722120. Its totient is φ = 424574038.

The previous prime is 849148067. The next prime is 849148103. The reversal of 849148078 is 870841948.

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, 212287018 + ... + 212287021.

It is an arithmetic number, because the mean of its divisors is an integer number (318430530).

Almost surely, 2^849148078 is an apocalyptic number.

849148078 is a deficient number, since it is larger than the sum of its proper divisors (424574042).

849148078 is a wasteful number, since it uses less digits than its factorization.

849148078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424574041.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 849148078 is about 29140.1454697810. The cubic root of 849148078 is about 946.9516613392.

The spelling of 849148078 in words is "eight hundred forty-nine million, one hundred forty-eight thousand, seventy-eight".