83900953 has 2 divisors, whose sum is σ = 83900954. Its totient is φ = 83900952.

The previous prime is 83900939. The next prime is 83900959. The reversal of 83900953 is 35900938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71284249 + 12616704 = 8443^2 + 3552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83900953 is a prime.

It is not a weakly prime, because it can be changed into another prime (83900959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41950476 + 41950477.

It is an arithmetic number, because the mean of its divisors is an integer number (41950477).

Almost surely, 2^83900953 is an apocalyptic number.

It is an amenable number.

83900953 is a deficient number, since it is larger than the sum of its proper divisors (1).

83900953 is an equidigital number, since it uses as much as digits as its factorization.

83900953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 83900953 is about 9159.7463392825. The cubic root of 83900953 is about 437.7797120690.

The spelling of 83900953 in words is "eighty-three million, nine hundred thousand, nine hundred fifty-three".