86788398 has 16 divisors (see below), whose sum is σ = 173895120. Its totient is φ = 28876416.

The previous prime is 86788393. The next prime is 86788411. The reversal of 86788398 is 89388768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86788393) 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, 9643 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (10868445).

Almost surely, 2^86788398 is an apocalyptic number.

86788398 is an abundant number, since it is smaller than the sum of its proper divisors (87106722).

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

86788398 is a wasteful number, since it uses less digits than its factorization.

86788398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26531.

The product of its digits is 4644864, while the sum is 57.

The square root of 86788398 is about 9316.0290896927. The cubic root of 86788398 is about 442.7452297064.

The spelling of 86788398 in words is "eighty-six million, seven hundred eighty-eight thousand, three hundred ninety-eight".