77289402350 has 12 divisors (see below), whose sum is σ = 143758288464. Its totient is φ = 30915760920.

The previous prime is 77289402349. The next prime is 77289402353. The reversal of 77289402350 is 5320498277.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77289402295 and 77289402304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77289402353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772893974 + ... + 772894073.

It is an arithmetic number, because the mean of its divisors is an integer number (11979857372).

Almost surely, 2^77289402350 is an apocalyptic number.

77289402350 is a deficient number, since it is larger than the sum of its proper divisors (66468886114).

77289402350 is a wasteful number, since it uses less digits than its factorization.

77289402350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545788059 (or 1545788054 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 77289402350 in words is "seventy-seven billion, two hundred eighty-nine million, four hundred two thousand, three hundred fifty".