77229680502 has 48 divisors (see below), whose sum is σ = 168911023248. Its totient is φ = 23527670400.

The previous prime is 77229680497. The next prime is 77229680519. The reversal of 77229680502 is 20508692277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274633 + ... + 479460.

It is an arithmetic number, because the mean of its divisors is an integer number (3518979651).

Almost surely, 2^77229680502 is an apocalyptic number.

77229680502 is an abundant number, since it is smaller than the sum of its proper divisors (91681342746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77229680502 is a wasteful number, since it uses less digits than its factorization.

77229680502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754225 (or 754212 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 77229680502 in words is "seventy-seven billion, two hundred twenty-nine million, six hundred eighty thousand, five hundred two".