86379497 has 8 divisors (see below), whose sum is σ = 90879432. Its totient is φ = 81993600.

The previous prime is 86379479. The next prime is 86379541. The reversal of 86379497 is 79497368.

It can be written as a sum of positive squares in 4 ways, for example, as 9834496 + 76545001 = 3136^2 + 8749^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 86379497 - 2¹⁶ = 86313961 is a prime.

It is a super-2 number, since 2×86379497² = 14922835003946018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86379427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26954 + ... + 29987.

It is an arithmetic number, because the mean of its divisors is an integer number (11359929).

Almost surely, 2^86379497 is an apocalyptic number.

It is an amenable number.

86379497 is a deficient number, since it is larger than the sum of its proper divisors (4499935).

86379497 is a wasteful number, since it uses less digits than its factorization.

86379497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57019.

The product of its digits is 2286144, while the sum is 53.

The square root of 86379497 is about 9294.0570796612. The cubic root of 86379497 is about 442.0488077658.

The spelling of 86379497 in words is "eighty-six million, three hundred seventy-nine thousand, four hundred ninety-seven".