83954963 has 4 divisors (see below), whose sum is σ = 85907448. Its totient is φ = 82002480.

The previous prime is 83954951. The next prime is 83955023. The reversal of 83954963 is 36945938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36945938 = 2 ⋅18472969.

It is a cyclic number.

It is not a de Polignac number, because 83954963 - 2⁴ = 83954947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83954903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976178 + ... + 976263.

It is an arithmetic number, because the mean of its divisors is an integer number (21476862).

Almost surely, 2^83954963 is an apocalyptic number.

83954963 is a deficient number, since it is larger than the sum of its proper divisors (1952485).

83954963 is a wasteful number, since it uses less digits than its factorization.

83954963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952484.

The product of its digits is 699840, while the sum is 47.

The square root of 83954963 is about 9162.6940907137. The cubic root of 83954963 is about 437.8736299950.

The spelling of 83954963 in words is "eighty-three million, nine hundred fifty-four thousand, nine hundred sixty-three".