77056846405 has 64 divisors (see below), whose sum is σ = 122467276800. Its totient is φ = 45089291520.

The previous prime is 77056846379. The next prime is 77056846409. The reversal of 77056846405 is 50464865077.

It is not a de Polignac number, because 77056846405 - 2¹⁵ = 77056813637 is a prime.

It is a super-2 number, since 2×77056846405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77056846409) 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 63 ways as a sum of consecutive naturals, for example, 749014 + ... + 845656.

It is an arithmetic number, because the mean of its divisors is an integer number (1913551200).

Almost surely, 2^77056846405 is an apocalyptic number.

It is an amenable number.

77056846405 is a deficient number, since it is larger than the sum of its proper divisors (45410430395).

77056846405 is a wasteful number, since it uses less digits than its factorization.

77056846405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96794.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 77056846405 in words is "seventy-seven billion, fifty-six million, eight hundred forty-six thousand, four hundred five".