77406708440351 has 8 divisors (see below), whose sum is σ = 77719253935104. Its totient is φ = 77094360827640.

The previous prime is 77406708440339. The next prime is 77406708440371. The reversal of 77406708440351 is 15304480760477.

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 77406708440351 - 2¹⁸ = 77406708178207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77406708440371) 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, 48686555 + ... + 50251308.

It is an arithmetic number, because the mean of its divisors is an integer number (9714906741888).

Almost surely, 2^{77406708440351} is an apocalyptic number.

77406708440351 is a deficient number, since it is larger than the sum of its proper divisors (312545494753).

77406708440351 is a wasteful number, since it uses less digits than its factorization.

77406708440351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98941021.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 77406708440351 in words is "seventy-seven trillion, four hundred six billion, seven hundred eight million, four hundred forty thousand, three hundred fifty-one".