2340977661 has 24 divisors (see below), whose sum is σ = 3690344736. Its totient is φ = 1418185440.

The previous prime is 2340977659. The next prime is 2340977671. The reversal of 2340977661 is 1667790432.

It is not a de Polignac number, because 2340977661 - 2¹ = 2340977659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340977641) 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 23 ways as a sum of consecutive naturals, for example, 417271 + ... + 422843.

It is an arithmetic number, because the mean of its divisors is an integer number (153764364).

Almost surely, 2^2340977661 is an apocalyptic number.

It is an amenable number.

2340977661 is a deficient number, since it is larger than the sum of its proper divisors (1349367075).

2340977661 is a wasteful number, since it uses less digits than its factorization.

2340977661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833 (or 9830 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 2340977661 is about 48383.6507613884. The cubic root of 2340977661 is about 1327.7992626513.

The spelling of 2340977661 in words is "two billion, three hundred forty million, nine hundred seventy-seven thousand, six hundred sixty-one".