86777088 has 72 divisors (see below), whose sum is σ = 233408448. Its totient is φ = 28618752.

The previous prime is 86777083. The next prime is 86777101. The reversal of 86777088 is 88077768.

It is a self number, because there is not a number n which added to its sum of digits gives 86777088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86777083) 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, 78556 + ... + 79652.

It is an arithmetic number, because the mean of its divisors is an integer number (3241784).

Almost surely, 2^86777088 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 86777088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116704224).

86777088 is an abundant number, since it is smaller than the sum of its proper divisors (146631360).

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

86777088 is a wasteful number, since it uses less digits than its factorization.

86777088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 51.

The square root of 86777088 is about 9315.4220516303. The cubic root of 86777088 is about 442.7259964671.

The spelling of 86777088 in words is "eighty-six million, seven hundred seventy-seven thousand, eighty-eight".