77346369156 has 96 divisors (see below), whose sum is σ = 209026621440. Its totient is φ = 21802644864.

The previous prime is 77346369109. The next prime is 77346369173. The reversal of 77346369156 is 65196364377.

It is a junction number, because it is equal to n+sod(n) for n = 77346369096 and 77346369105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10660426 + ... + 10667678.

It is an arithmetic number, because the mean of its divisors is an integer number (2177360640).

Almost surely, 2^77346369156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77346369156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104513310720).

77346369156 is an abundant number, since it is smaller than the sum of its proper divisors (131680252284).

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

77346369156 is a wasteful number, since it uses less digits than its factorization.

77346369156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8953 (or 8951 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 57.

The spelling of 77346369156 in words is "seventy-seven billion, three hundred forty-six million, three hundred sixty-nine thousand, one hundred fifty-six".