77331796 has 24 divisors (see below), whose sum is σ = 141845760. Its totient is φ = 36819552.

The previous prime is 77331791. The next prime is 77331797. The reversal of 77331796 is 69713377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77331791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20230 + ... + 23746.

It is an arithmetic number, because the mean of its divisors is an integer number (5910240).

Almost surely, 2^77331796 is an apocalyptic number.

It is an amenable number.

77331796 is a deficient number, since it is larger than the sum of its proper divisors (64513964).

77331796 is a wasteful number, since it uses less digits than its factorization.

77331796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783 (or 3781 counting only the distinct ones).

The product of its digits is 166698, while the sum is 43.

The square root of 77331796 is about 8793.8498963764. The cubic root of 77331796 is about 426.0422787136.

The spelling of 77331796 in words is "seventy-seven million, three hundred thirty-one thousand, seven hundred ninety-six".