77427368038207 has 16 divisors (see below), whose sum is σ = 93323291311872. Its totient is φ = 63367666933120.

The previous prime is 77427368038127. The next prime is 77427368038243. The reversal of 77427368038207 is 70283086372477.

It is not a de Polignac number, because 77427368038207 - 2¹¹ = 77427368036159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77427368038907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9001084753 + ... + 9001093354.

It is an arithmetic number, because the mean of its divisors is an integer number (5832705706992).

Almost surely, 2^{77427368038207} is an apocalyptic number.

77427368038207 is a deficient number, since it is larger than the sum of its proper divisors (15895923273665).

77427368038207 is a wasteful number, since it uses less digits than its factorization.

77427368038207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002178158.

The product of its (nonzero) digits is 132765696, while the sum is 64.

The spelling of 77427368038207 in words is "seventy-seven trillion, four hundred twenty-seven billion, three hundred sixty-eight million, thirty-eight thousand, two hundred seven".