77833386408416 has 48 divisors (see below), whose sum is σ = 153825781158000. Its totient is φ = 38766610495488.

The previous prime is 77833386408403. The next prime is 77833386408431. The reversal of 77833386408416 is 61480468333877.

It is a congruent number.

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, 26582810 + ... + 29365158.

It is an arithmetic number, because the mean of its divisors is an integer number (3204703774125).

Almost surely, 2^{77833386408416} is an apocalyptic number.

It is an amenable number.

77833386408416 is a deficient number, since it is larger than the sum of its proper divisors (75992394749584).

77833386408416 is a wasteful number, since it uses less digits than its factorization.

77833386408416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785731 (or 2785723 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 68.

The spelling of 77833386408416 in words is "seventy-seven trillion, eight hundred thirty-three billion, three hundred eighty-six million, four hundred eight thousand, four hundred sixteen".