9701977 has 4 divisors (see below), whose sum is σ = 10014976. Its totient is φ = 9388980.

The previous prime is 9701971. The next prime is 9701983. The reversal of 9701977 is 7791079.

It is a happy number.

9701977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 7791079 = 1297 ⋅6007.

It is an interprime number because it is at equal distance from previous prime (9701971) and next prime (9701983).

It is a cyclic number.

It is not a de Polignac number, because 9701977 - 2³ = 9701969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9701971) 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, 156453 + ... + 156514.

It is an arithmetic number, because the mean of its divisors is an integer number (2503744).

Almost surely, 2^9701977 is an apocalyptic number.

It is an amenable number.

9701977 is a deficient number, since it is larger than the sum of its proper divisors (312999).

9701977 is a wasteful number, since it uses less digits than its factorization.

9701977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312998.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 9701977 is about 3114.7996725311. The cubic root of 9701977 is about 213.2816115390.

The spelling of 9701977 in words is "nine million, seven hundred one thousand, nine hundred seventy-seven".