77606088 has 128 divisors (see below), whose sum is σ = 243129600. Its totient is φ = 20127744.

The previous prime is 77606047. The next prime is 77606101. The reversal of 77606088 is 88060677.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82356 + ... + 83292.

It is an arithmetic number, because the mean of its divisors is an integer number (1899450).

Almost surely, 2^77606088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77606088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121564800).

77606088 is an abundant number, since it is smaller than the sum of its proper divisors (165523512).

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

77606088 is a wasteful number, since it uses less digits than its factorization.

77606088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 77606088 is about 8809.4317637405. The cubic root of 77606088 is about 426.5454011931.

The spelling of 77606088 in words is "seventy-seven million, six hundred six thousand, eighty-eight".