77527308085 has 8 divisors (see below), whose sum is σ = 93137659776. Its totient is φ = 61951919760.

The previous prime is 77527308083. The next prime is 77527308101. The reversal of 77527308085 is 58080372577.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77527308085 - 2¹ = 77527308083 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 (77527308083) 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, 8735961 + ... + 8744830.

It is an arithmetic number, because the mean of its divisors is an integer number (11642207472).

Almost surely, 2^77527308085 is an apocalyptic number.

It is an amenable number.

77527308085 is a deficient number, since it is larger than the sum of its proper divisors (15610351691).

77527308085 is a wasteful number, since it uses less digits than its factorization.

77527308085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17481683.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 77527308085 in words is "seventy-seven billion, five hundred twenty-seven million, three hundred eight thousand, eighty-five".