86077491 has 8 divisors (see below), whose sum is σ = 117569424. Its totient is φ = 55985280.

The previous prime is 86077469. The next prime is 86077493. The reversal of 86077491 is 19477068.

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

It is not a de Polignac number, because 86077491 - 2⁶ = 86077427 is a prime.

It is a super-3 number, since 3×86077491³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (86077493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349786 + ... + 350031.

It is an arithmetic number, because the mean of its divisors is an integer number (14696178).

Almost surely, 2^86077491 is an apocalyptic number.

86077491 is a deficient number, since it is larger than the sum of its proper divisors (31491933).

86077491 is a wasteful number, since it uses less digits than its factorization.

86077491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699861.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 86077491 is about 9277.7955894706. The cubic root of 86077491 is about 441.5330322813.

It can be divided in two parts, 86077 and 491, that added together give a palindrome (86568).

The spelling of 86077491 in words is "eighty-six million, seventy-seven thousand, four hundred ninety-one".