2966943987 has 48 divisors (see below), whose sum is σ = 4977556480. Its totient is φ = 1667952000.

The previous prime is 2966943899. The next prime is 2966943997. The reversal of 2966943987 is 7893496692.

It is not a de Polignac number, because 2966943987 - 2¹⁴ = 2966927603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2966943997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1646487 + ... + 1648287.

Almost surely, 2^2966943987 is an apocalyptic number.

2966943987 is a deficient number, since it is larger than the sum of its proper divisors (2010612493).

2966943987 is a wasteful number, since it uses less digits than its factorization.

2966943987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2221 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The square root of 2966943987 is about 54469.6611610537. The cubic root of 2966943987 is about 1436.9327696953.

The spelling of 2966943987 in words is "two billion, nine hundred sixty-six million, nine hundred forty-three thousand, nine hundred eighty-seven".