77580260106087 has 16 divisors (see below), whose sum is σ = 107515984060800. Its totient is φ = 49716037730592.

The previous prime is 77580260106067. The next prime is 77580260106109. The reversal of 77580260106087 is 78060106208577.

It is not a de Polignac number, because 77580260106087 - 2¹² = 77580260101991 is a prime.

It is a super-2 number, since 2×77580260106087² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77580260106067) 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, 4210359837 + ... + 4210378262.

It is an arithmetic number, because the mean of its divisors is an integer number (6719749003800).

Almost surely, 2^{77580260106087} is an apocalyptic number.

77580260106087 is a deficient number, since it is larger than the sum of its proper divisors (29935723954713).

77580260106087 is a wasteful number, since it uses less digits than its factorization.

77580260106087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420738222.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 77580260106087 in words is "seventy-seven trillion, five hundred eighty billion, two hundred sixty million, one hundred six thousand, eighty-seven".