77351996379 has 24 divisors (see below), whose sum is σ = 122527185408. Its totient is φ = 43260687120.

The previous prime is 77351996377. The next prime is 77351996411. The reversal of 77351996379 is 97369915377.

It is not a de Polignac number, because 77351996379 - 2¹ = 77351996377 is a prime.

It is a super-2 number, since 2×77351996379² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77351996377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5591007 + ... + 5604824.

It is an arithmetic number, because the mean of its divisors is an integer number (5105299392).

Almost surely, 2^77351996379 is an apocalyptic number.

77351996379 is a deficient number, since it is larger than the sum of its proper divisors (45175189029).

77351996379 is a wasteful number, since it uses less digits than its factorization.

77351996379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195895 (or 11195888 counting only the distinct ones).

The product of its digits is 67512690, while the sum is 66.

The spelling of 77351996379 in words is "seventy-seven billion, three hundred fifty-one million, nine hundred ninety-six thousand, three hundred seventy-nine".