77794396 has 12 divisors (see below), whose sum is σ = 139306552. Its totient is φ = 37992528.

The previous prime is 77794393. The next prime is 77794399. The reversal of 77794396 is 69349777.

It is an interprime number because it is at equal distance from previous prime (77794393) and next prime (77794399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77794393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225975 + ... + 226318.

Almost surely, 2^77794396 is an apocalyptic number.

It is an amenable number.

77794396 is a deficient number, since it is larger than the sum of its proper divisors (61512156).

77794396 is a wasteful number, since it uses less digits than its factorization.

77794396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452340 (or 452338 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 52.

The square root of 77794396 is about 8820.1131512016. The cubic root of 77794396 is about 426.8901208535.

The spelling of 77794396 in words is "seventy-seven million, seven hundred ninety-four thousand, three hundred ninety-six".