7867647364 has 12 divisors (see below), whose sum is σ = 13784454684. Its totient is φ = 3929231744.

The previous prime is 7867647341. The next prime is 7867647373. The reversal of 7867647364 is 4637467687.

It can be written as a sum of positive squares in 2 ways, for example, as 4328587264 + 3539060100 = 65792^2 + 59490^2 .

It is a super-2 number, since 2×7867647364² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7867647299 and 7867647308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144129 + ... + 1150984.

It is an arithmetic number, because the mean of its divisors is an integer number (1148704557).

Almost surely, 2^7867647364 is an apocalyptic number.

It is an amenable number.

7867647364 is a deficient number, since it is larger than the sum of its proper divisors (5916807320).

7867647364 is a wasteful number, since it uses less digits than its factorization.

7867647364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295974 (or 2295972 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 58.

The square root of 7867647364 is about 88699.7596614557. The cubic root of 7867647364 is about 1988.9092247037.

The spelling of 7867647364 in words is "seven billion, eight hundred sixty-seven million, six hundred forty-seven thousand, three hundred sixty-four".