9767940380 has 72 divisors (see below), whose sum is σ = 23527427616. Its totient is φ = 3397525120.

The previous prime is 9767940379. The next prime is 9767940383. The reversal of 9767940380 is 830497679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9767940383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32087 + ... + 143406.

It is an arithmetic number, because the mean of its divisors is an integer number (326769828).

Almost surely, 2^9767940380 is an apocalyptic number.

It is an amenable number.

9767940380 is an abundant number, since it is smaller than the sum of its proper divisors (13759487236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9767940380 is a wasteful number, since it uses less digits than its factorization.

9767940380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175547 (or 175534 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9767940380 is about 98832.8911850706. The cubic root of 9767940380 is about 2137.6388477456.

The spelling of 9767940380 in words is "nine billion, seven hundred sixty-seven million, nine hundred forty thousand, three hundred eighty".