86811740 has 12 divisors (see below), whose sum is σ = 182304696. Its totient is φ = 34724688.

The previous prime is 86811733. The next prime is 86811743. The reversal of 86811740 is 4711868.

It is a self number, because there is not a number n which added to its sum of digits gives 86811740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86811743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170274 + ... + 2170313.

It is an arithmetic number, because the mean of its divisors is an integer number (15192058).

Almost surely, 2^86811740 is an apocalyptic number.

It is an amenable number.

86811740 is an abundant number, since it is smaller than the sum of its proper divisors (95492956).

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

86811740 is a wasteful number, since it uses less digits than its factorization.

86811740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340596 (or 4340594 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 86811740 is about 9317.2817924543. The cubic root of 86811740 is about 442.7849187010.

The spelling of 86811740 in words is "eighty-six million, eight hundred eleven thousand, seven hundred forty".