2506890377 has 4 divisors (see below), whose sum is σ = 2507582160. Its totient is φ = 2506198596.

The previous prime is 2506890349. The next prime is 2506890391. The reversal of 2506890377 is 7730986052.

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 a cyclic number.

It is not a de Polignac number, because 2506890377 - 2³⁰ = 1433148553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506890307) 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, 340427 + ... + 347712.

It is an arithmetic number, because the mean of its divisors is an integer number (626895540).

Almost surely, 2^2506890377 is an apocalyptic number.

It is an amenable number.

2506890377 is a deficient number, since it is larger than the sum of its proper divisors (691783).

2506890377 is an equidigital number, since it uses as much as digits as its factorization.

2506890377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691782.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 2506890377 is about 50068.8563580196. The cubic root of 2506890377 is about 1358.4545552229.

The spelling of 2506890377 in words is "two billion, five hundred six million, eight hundred ninety thousand, three hundred seventy-seven".