86953629 has 32 divisors (see below), whose sum is σ = 139069440. Its totient is φ = 47275200.

The previous prime is 86953621. The next prime is 86953631. The reversal of 86953629 is 92635968.

It is not a de Polignac number, because 86953629 - 2³ = 86953621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86953621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42234 + ... + 44244.

It is an arithmetic number, because the mean of its divisors is an integer number (4345920).

Almost surely, 2^86953629 is an apocalyptic number.

It is an amenable number.

86953629 is a deficient number, since it is larger than the sum of its proper divisors (52115811).

86953629 is a wasteful number, since it uses less digits than its factorization.

86953629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its digits is 699840, while the sum is 48.

The square root of 86953629 is about 9324.8929752571. The cubic root of 86953629 is about 443.0260232323.

The spelling of 86953629 in words is "eighty-six million, nine hundred fifty-three thousand, six hundred twenty-nine".