77414399997 has 32 divisors (see below), whose sum is σ = 115844166144. Its totient is φ = 45571579200.

The previous prime is 77414399989. The next prime is 77414400031. The reversal of 77414399997 is 79999341477.

It is not a de Polignac number, because 77414399997 - 2³ = 77414399989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77414395997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662722 + ... + 770732.

It is an arithmetic number, because the mean of its divisors is an integer number (3620130192).

Almost surely, 2^77414399997 is an apocalyptic number.

It is an amenable number.

77414399997 is a deficient number, since it is larger than the sum of its proper divisors (38429766147).

77414399997 is a wasteful number, since it uses less digits than its factorization.

77414399997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108649.

The product of its digits is 108020304, while the sum is 69.

The spelling of 77414399997 in words is "seventy-seven billion, four hundred fourteen million, three hundred ninety-nine thousand, nine hundred ninety-seven".