77620339282 has 16 divisors (see below), whose sum is σ = 117334706112. Its totient is φ = 38509354800.

The previous prime is 77620339261. The next prime is 77620339327. The reversal of 77620339282 is 28293302677.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121128 + ... + 412204.

It is an arithmetic number, because the mean of its divisors is an integer number (7333419132).

Almost surely, 2^77620339282 is an apocalyptic number.

77620339282 is a deficient number, since it is larger than the sum of its proper divisors (39714366830).

77620339282 is a wasteful number, since it uses less digits than its factorization.

77620339282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292113.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 77620339282 in words is "seventy-seven billion, six hundred twenty million, three hundred thirty-nine thousand, two hundred eighty-two".