78849830510 has 32 divisors (see below), whose sum is σ = 154966930272. Its totient is φ = 28647751680.

The previous prime is 78849830509. The next prime is 78849830519. The reversal of 78849830510 is 1503894887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78849830519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184019 + ... + 437678.

It is an arithmetic number, because the mean of its divisors is an integer number (4842716571).

Almost surely, 2^78849830510 is an apocalyptic number.

78849830510 is a deficient number, since it is larger than the sum of its proper divisors (76117099762).

78849830510 is a wasteful number, since it uses less digits than its factorization.

78849830510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622868.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 78849830510 in words is "seventy-eight billion, eight hundred forty-nine million, eight hundred thirty thousand, five hundred ten".