2925877981 has 16 divisors (see below), whose sum is σ = 3224922624. Its totient is φ = 2637650304.

The previous prime is 2925877949. The next prime is 2925877987. The reversal of 2925877981 is 1897785292.

It is a cyclic number.

It is not a de Polignac number, because 2925877981 - 2⁵ = 2925877949 is a prime.

It is a super-2 number, since 2×2925877981² = 17121523919401272722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2925877987) 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 15 ways as a sum of consecutive naturals, for example, 292641 + ... + 302473.

It is an arithmetic number, because the mean of its divisors is an integer number (201557664).

Almost surely, 2^2925877981 is an apocalyptic number.

It is an amenable number.

2925877981 is a deficient number, since it is larger than the sum of its proper divisors (299044643).

2925877981 is a wasteful number, since it uses less digits than its factorization.

2925877981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380.

The product of its digits is 5080320, while the sum is 58.

The square root of 2925877981 is about 54091.3854601636. The cubic root of 2925877981 is about 1430.2723299946.

The spelling of 2925877981 in words is "two billion, nine hundred twenty-five million, eight hundred seventy-seven thousand, nine hundred eighty-one".