2623987966 has 8 divisors (see below), whose sum is σ = 3941832384. Its totient is φ = 1310043840.

The previous prime is 2623987939. The next prime is 2623987969. The reversal of 2623987966 is 6697893262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2623987966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623987969) 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, 973390 + ... + 976081.

It is an arithmetic number, because the mean of its divisors is an integer number (492729048).

Almost surely, 2^2623987966 is an apocalyptic number.

2623987966 is a deficient number, since it is larger than the sum of its proper divisors (1317844418).

2623987966 is a wasteful number, since it uses less digits than its factorization.

2623987966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950146.

The product of its digits is 11757312, while the sum is 58.

The square root of 2623987966 is about 51224.8764371375. The cubic root of 2623987966 is about 1379.2847876211.

The spelling of 2623987966 in words is "two billion, six hundred twenty-three million, nine hundred eighty-seven thousand, nine hundred sixty-six".