86490016431 has 32 divisors (see below), whose sum is σ = 148103316480. Its totient is φ = 43637577984.

The previous prime is 86490016427. The next prime is 86490016447. The reversal of 86490016431 is 13461009468.

It is not a de Polignac number, because 86490016431 - 2² = 86490016427 is a prime.

It is a super-2 number, since 2×86490016431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86490026431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6880966 + ... + 6893523.

It is an arithmetic number, because the mean of its divisors is an integer number (4628228640).

Almost surely, 2^86490016431 is an apocalyptic number.

86490016431 is a deficient number, since it is larger than the sum of its proper divisors (61613300049).

86490016431 is a wasteful number, since it uses less digits than its factorization.

86490016431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774535.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 86490016431 in words is "eighty-six billion, four hundred ninety million, sixteen thousand, four hundred thirty-one".