2687997862 has 8 divisors (see below), whose sum is σ = 4398541992. Its totient is φ = 1221817200.

The previous prime is 2687997859. The next prime is 2687997863.

2687997862 is nontrivially palindromic in base 10.

2687997862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2687997862² = 14450665012233142088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2687997794 and 2687997803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687997863) 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, 61090839 + ... + 61090882.

It is an arithmetic number, because the mean of its divisors is an integer number (549817749).

Almost surely, 2^2687997862 is an apocalyptic number.

2687997862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2687997862 is a deficient number, since it is larger than the sum of its proper divisors (1710544130).

2687997862 is a wasteful number, since it uses less digits than its factorization.

2687997862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122181734.

The product of its digits is 36578304, while the sum is 64.

The square root of 2687997862 is about 51845.9049684736. The cubic root of 2687997862 is about 1390.4102893163.

The spelling of 2687997862 in words is "two billion, six hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred sixty-two".