2500207986797 has 8 divisors (see below), whose sum is σ = 2549211410712. Its totient is φ = 2451463156800.

The previous prime is 2500207986743. The next prime is 2500207986851. The reversal of 2500207986797 is 7976897020052.

It is an interprime number because it is at equal distance from previous prime (2500207986743) and next prime (2500207986851).

It can be written as a sum of positive squares in 4 ways, for example, as 44512138441 + 2455695848356 = 210979^2 + 1567066^2 .

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 2500207986797 - 2¹⁶ = 2500207921261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500207986097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64628954 + ... + 64667627.

It is an arithmetic number, because the mean of its divisors is an integer number (318651426339).

Almost surely, 2^{2500207986797} is an apocalyptic number.

It is an amenable number.

2500207986797 is a deficient number, since it is larger than the sum of its proper divisors (49003423915).

2500207986797 is a wasteful number, since it uses less digits than its factorization.

2500207986797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129296959.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The spelling of 2500207986797 in words is "two trillion, five hundred billion, two hundred seven million, nine hundred eighty-six thousand, seven hundred ninety-seven".