77605009483188 has 48 divisors (see below), whose sum is σ = 197917729906176. Its totient is φ = 23471704568160.

The previous prime is 77605009483163. The next prime is 77605009483201. The reversal of 77605009483188 is 88138490050677.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561992856 + ... + 562130927.

It is an arithmetic number, because the mean of its divisors is an integer number (4123286039712).

Almost surely, 2^{77605009483188} is an apocalyptic number.

It is an amenable number.

77605009483188 is an abundant number, since it is smaller than the sum of its proper divisors (120312720422988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77605009483188 is a wasteful number, since it uses less digits than its factorization.

77605009483188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124124324 (or 1124124322 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 77605009483188 in words is "seventy-seven trillion, six hundred five billion, nine million, four hundred eighty-three thousand, one hundred eighty-eight".