87722083 has 4 divisors (see below), whose sum is σ = 89861688. Its totient is φ = 85582480.

The previous prime is 87722081. The next prime is 87722093. The reversal of 87722083 is 38022778.

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

It is a cyclic number.

It is not a de Polignac number, because 87722083 - 2¹ = 87722081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87722081) 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, 1069741 + ... + 1069822.

It is an arithmetic number, because the mean of its divisors is an integer number (22465422).

Almost surely, 2^87722083 is an apocalyptic number.

87722083 is a deficient number, since it is larger than the sum of its proper divisors (2139605).

87722083 is a wasteful number, since it uses less digits than its factorization.

87722083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139604.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 87722083 is about 9366.0067798395. The cubic root of 87722083 is about 444.3272804749.

The spelling of 87722083 in words is "eighty-seven million, seven hundred twenty-two thousand, eighty-three".