83070263 has 4 divisors (see below), whose sum is σ = 83089248. Its totient is φ = 83051280.

The previous prime is 83070257. The next prime is 83070269. The reversal of 83070263 is 36207038.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (83070257) and next prime (83070269).

It is a cyclic number.

It is not a de Polignac number, because 83070263 - 2²⁶ = 15961399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83070269) 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, 770 + ... + 12912.

It is an arithmetic number, because the mean of its divisors is an integer number (20772312).

Almost surely, 2^83070263 is an apocalyptic number.

83070263 is a deficient number, since it is larger than the sum of its proper divisors (18985).

83070263 is a wasteful number, since it uses less digits than its factorization.

83070263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18984.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 83070263 is about 9114.2889464840. The cubic root of 83070263 is about 436.3301216539.

The spelling of 83070263 in words is "eighty-three million, seventy thousand, two hundred sixty-three".