9977371901 has 8 divisors (see below), whose sum is σ = 11403344064. Its totient is φ = 8551558080.

The previous prime is 9977371891. The next prime is 9977371909. The reversal of 9977371901 is 1091737799.

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

It is a cyclic number.

It is not a de Polignac number, because 9977371901 - 2⁶ = 9977371837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977371909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168101 + ... + 219573.

It is an arithmetic number, because the mean of its divisors is an integer number (1425418008).

Almost surely, 2^9977371901 is an apocalyptic number.

It is an amenable number.

9977371901 is a deficient number, since it is larger than the sum of its proper divisors (1425972163).

9977371901 is a wasteful number, since it uses less digits than its factorization.

9977371901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79171.

The product of its (nonzero) digits is 750141, while the sum is 53.

The square root of 9977371901 is about 99886.7954286251. The cubic root of 9977371901 is about 2152.8084373990.

The spelling of 9977371901 in words is "nine billion, nine hundred seventy-seven million, three hundred seventy-one thousand, nine hundred one".