93977 has 4 divisors (see below), whose sum is σ = 101220. Its totient is φ = 86736.

The previous prime is 93971. The next prime is 93979. The reversal of 93977 is 77939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77939 = 59 ⋅1321.

It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 30976 = 251^2 + 176^2 .

It is not a de Polignac number, because 93977 - 2⁶ = 93913 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 93977.

It is not an unprimeable number, because it can be changed into a prime (93971) 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, 3602 + ... + 3627.

It is an arithmetic number, because the mean of its divisors is an integer number (25305).

2⁹³⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

93977 is a deficient number, since it is larger than the sum of its proper divisors (7243).

93977 is a wasteful number, since it uses less digits than its factorization.

93977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242.

The product of its digits is 11907, while the sum is 35.

The square root of 93977 is about 306.5566831762. The cubic root of 93977 is about 45.4646507230.

The spelling of 93977 in words is "ninety-three thousand, nine hundred seventy-seven".