86419953 has 10 divisors (see below), whose sum is σ = 129096594. Its totient is φ = 57613248.

The previous prime is 86419951. The next prime is 86419969. The reversal of 86419953 is 35991468.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54066609 + 32353344 = 7353^2 + 5688^2 .

It is not a de Polignac number, because 86419953 - 2¹ = 86419951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86419899 and 86419908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86419951) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 533376 + ... + 533537.

Almost surely, 2^86419953 is an apocalyptic number.

It is an amenable number.

86419953 is a deficient number, since it is larger than the sum of its proper divisors (42676641).

86419953 is a wasteful number, since it uses less digits than its factorization.

86419953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066925 (or 1066916 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 86419953 is about 9296.2332694484. The cubic root of 86419953 is about 442.1178084585.

The spelling of 86419953 in words is "eighty-six million, four hundred nineteen thousand, nine hundred fifty-three".