77734407107 has 8 divisors (see below), whose sum is σ = 88842280800. Its totient is φ = 66627273024.

The previous prime is 77734407053. The next prime is 77734407119. The reversal of 77734407107 is 70170443777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77734407107 - 2¹⁶ = 77734341571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77734407197) 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, 62369 + ... + 399197.

It is an arithmetic number, because the mean of its divisors is an integer number (11105285100).

Almost surely, 2^77734407107 is an apocalyptic number.

77734407107 is a deficient number, since it is larger than the sum of its proper divisors (11107873693).

77734407107 is a wasteful number, since it uses less digits than its factorization.

77734407107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369805.

The product of its (nonzero) digits is 806736, while the sum is 47.

The spelling of 77734407107 in words is "seventy-seven billion, seven hundred thirty-four million, four hundred seven thousand, one hundred seven".