86738680 has 32 divisors (see below), whose sum is σ = 223043040. Its totient is φ = 29738880.

The previous prime is 86738671. The next prime is 86738689. The reversal of 86738680 is 8683768.

It is an interprime number because it is at equal distance from previous prime (86738671) and next prime (86738689).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86738680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86738689) 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, 154611 + ... + 155170.

It is an arithmetic number, because the mean of its divisors is an integer number (6970095).

Almost surely, 2^86738680 is an apocalyptic number.

It is an amenable number.

86738680 is an abundant number, since it is smaller than the sum of its proper divisors (136304360).

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

86738680 is a wasteful number, since it uses less digits than its factorization.

86738680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309799 (or 309795 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 86738680 is about 9313.3602958331. The cubic root of 86738680 is about 442.6606692023.

The spelling of 86738680 in words is "eighty-six million, seven hundred thirty-eight thousand, six hundred eighty".