76220089 has 4 divisors (see below), whose sum is σ = 83149200. Its totient is φ = 69290980.

The previous prime is 76220063. The next prime is 76220099. The reversal of 76220089 is 98002267.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98002267 = 11 ⋅8909297.

It is not a de Polignac number, because 76220089 - 2⁷ = 76219961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76220029) 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, 3464539 + ... + 3464560.

It is an arithmetic number, because the mean of its divisors is an integer number (20787300).

Almost surely, 2^76220089 is an apocalyptic number.

It is an amenable number.

76220089 is a deficient number, since it is larger than the sum of its proper divisors (6929111).

76220089 is a wasteful number, since it uses less digits than its factorization.

76220089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929110.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 76220089 is about 8730.4117314134. The cubic root of 76220089 is about 423.9908495266.

The spelling of 76220089 in words is "seventy-six million, two hundred twenty thousand, eighty-nine".