78523802950 has 12 divisors (see below), whose sum is σ = 146054273580. Its totient is φ = 31409521160.

The previous prime is 78523802921. The next prime is 78523802977. The reversal of 78523802950 is 5920832587.

It is a junction number, because it is equal to n+sod(n) for n = 78523802894 and 78523802903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785237980 + ... + 785238079.

It is an arithmetic number, because the mean of its divisors is an integer number (12171189465).

Almost surely, 2^78523802950 is an apocalyptic number.

78523802950 is a deficient number, since it is larger than the sum of its proper divisors (67530470630).

78523802950 is a wasteful number, since it uses less digits than its factorization.

78523802950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570476071 (or 1570476066 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 78523802950 in words is "seventy-eight billion, five hundred twenty-three million, eight hundred two thousand, nine hundred fifty".