89513611977 has 8 divisors (see below), whose sum is σ = 119486652064. Its totient is φ = 59608156608.

The previous prime is 89513611931. The next prime is 89513611997. The reversal of 89513611977 is 77911631598.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89513611977 - 2⁷ = 89513611849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89513611997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16893088 + ... + 16898385.

It is an arithmetic number, because the mean of its divisors is an integer number (14935831508).

Almost surely, 2^89513611977 is an apocalyptic number.

It is an amenable number.

89513611977 is a deficient number, since it is larger than the sum of its proper divisors (29973040087).

89513611977 is a wasteful number, since it uses less digits than its factorization.

89513611977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33792359.

The product of its digits is 2857680, while the sum is 57.

The spelling of 89513611977 in words is "eighty-nine billion, five hundred thirteen million, six hundred eleven thousand, nine hundred seventy-seven".