86740555 has 8 divisors (see below), whose sum is σ = 113551344. Its totient is φ = 63084000.

The previous prime is 86740553. The next prime is 86740583. The reversal of 86740555 is 55504768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86740555 - 2¹ = 86740553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86740553) 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, 788496 + ... + 788605.

It is an arithmetic number, because the mean of its divisors is an integer number (14193918).

Almost surely, 2^86740555 is an apocalyptic number.

86740555 is a deficient number, since it is larger than the sum of its proper divisors (26810789).

86740555 is a wasteful number, since it uses less digits than its factorization.

86740555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577117.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 86740555 is about 9313.4609571308. The cubic root of 86740555 is about 442.6638587934.

The spelling of 86740555 in words is "eighty-six million, seven hundred forty thousand, five hundred fifty-five".