7642867826 has 8 divisors (see below), whose sum is σ = 12506511024. Its totient is φ = 3474030820.

The previous prime is 7642867783. The next prime is 7642867831. The reversal of 7642867826 is 6287682467.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173701520 + ... + 173701563.

It is an arithmetic number, because the mean of its divisors is an integer number (1563313878).

Almost surely, 2^7642867826 is an apocalyptic number.

7642867826 is a deficient number, since it is larger than the sum of its proper divisors (4863643198).

7642867826 is a wasteful number, since it uses less digits than its factorization.

7642867826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347403096.

The product of its digits is 10838016, while the sum is 56.

The square root of 7642867826 is about 87423.4969902257. The cubic root of 7642867826 is about 1969.7848052707.

The spelling of 7642867826 in words is "seven billion, six hundred forty-two million, eight hundred sixty-seven thousand, eight hundred twenty-six".