77677048741 has 4 divisors (see below), whose sum is σ = 77696752672. Its totient is φ = 77657344812.

The previous prime is 77677048717. The next prime is 77677048763. The reversal of 77677048741 is 14784077677.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77677048741 - 2¹¹ = 77677046693 is a prime.

It is a super-2 number, since 2×77677048741² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77677048711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9846051 + ... + 9853936.

It is an arithmetic number, because the mean of its divisors is an integer number (19424188168).

Almost surely, 2^77677048741 is an apocalyptic number.

It is an amenable number.

77677048741 is a deficient number, since it is larger than the sum of its proper divisors (19703931).

77677048741 is a wasteful number, since it uses less digits than its factorization.

77677048741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703930.

The product of its (nonzero) digits is 12907776, while the sum is 58.

The spelling of 77677048741 in words is "seventy-seven billion, six hundred seventy-seven million, forty-eight thousand, seven hundred forty-one".