7620953854 has 4 divisors (see below), whose sum is σ = 11431430784. Its totient is φ = 3810476926.

The previous prime is 7620953833. The next prime is 7620953861. The reversal of 7620953854 is 4583590267.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7620953798 and 7620953807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905238462 + ... + 1905238465.

It is an arithmetic number, because the mean of its divisors is an integer number (2857857696).

Almost surely, 2^7620953854 is an apocalyptic number.

7620953854 is a deficient number, since it is larger than the sum of its proper divisors (3810476930).

7620953854 is a wasteful number, since it uses less digits than its factorization.

7620953854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810476929.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 7620953854 is about 87298.0747439484. The cubic root of 7620953854 is about 1967.9003847652.

The spelling of 7620953854 in words is "seven billion, six hundred twenty million, nine hundred fifty-three thousand, eight hundred fifty-four".