2002977539 has 8 divisors (see below), whose sum is σ = 2120234160. Its totient is φ = 1888933536.

The previous prime is 2002977533. The next prime is 2002977547. The reversal of 2002977539 is 9357792002.

It is a happy number.

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 2002977539 - 2⁴ = 2002977523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002977539.

It is not an unprimeable number, because it can be changed into a prime (2002977533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801872 + ... + 804365.

It is an arithmetic number, because the mean of its divisors is an integer number (265029270).

Almost surely, 2^2002977539 is an apocalyptic number.

2002977539 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2002977539 is a deficient number, since it is larger than the sum of its proper divisors (117256621).

2002977539 is a wasteful number, since it uses less digits than its factorization.

2002977539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606309.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 2002977539 is about 44754.6370670124. The cubic root of 2002977539 is about 1260.5459838803.

The spelling of 2002977539 in words is "two billion, two million, nine hundred seventy-seven thousand, five hundred thirty-nine".