2970877881 has 4 divisors (see below), whose sum is σ = 3961170512. Its totient is φ = 1980585252.

The previous prime is 2970877859. The next prime is 2970877883. The reversal of 2970877881 is 1887780792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2970877881 - 2⁶ = 2970877817 is a prime.

It is a super-2 number, since 2×2970877881² = 17652230767630100322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2970877883) 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, 495146311 + ... + 495146316.

It is an arithmetic number, because the mean of its divisors is an integer number (990292628).

Almost surely, 2^2970877881 is an apocalyptic number.

It is an amenable number.

2970877881 is a deficient number, since it is larger than the sum of its proper divisors (990292631).

2970877881 is an equidigital number, since it uses as much as digits as its factorization.

2970877881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990292630.

The product of its (nonzero) digits is 3161088, while the sum is 57.

The square root of 2970877881 is about 54505.7600717576. The cubic root of 2970877881 is about 1437.5675693103.

The spelling of 2970877881 in words is "two billion, nine hundred seventy million, eight hundred seventy-seven thousand, eight hundred eighty-one".