89620077 has 4 divisors (see below), whose sum is σ = 119493440. Its totient is φ = 59746716.

The previous prime is 89620067. The next prime is 89620081. The reversal of 89620077 is 77002698.

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.

It is not a de Polignac number, because 89620077 - 2⁴ = 89620061 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 (89620007) 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, 14936677 + ... + 14936682.

It is an arithmetic number, because the mean of its divisors is an integer number (29873360).

Almost surely, 2^89620077 is an apocalyptic number.

It is an amenable number.

89620077 is a deficient number, since it is larger than the sum of its proper divisors (29873363).

89620077 is a wasteful number, since it uses less digits than its factorization.

89620077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29873362.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 89620077 is about 9466.7881036812. The cubic root of 89620077 is about 447.5089968334.

The spelling of 89620077 in words is "eighty-nine million, six hundred twenty thousand, seventy-seven".