7621008223 has 4 divisors (see below), whose sum is σ = 7883801640. Its totient is φ = 7358214808.

The previous prime is 7621008173. The next prime is 7621008233. The reversal of 7621008223 is 3228001267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3228001267 = 16759 ⋅192613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7621008223 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 (7621008233) 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, 131396665 + ... + 131396722.

It is an arithmetic number, because the mean of its divisors is an integer number (1970950410).

Almost surely, 2^7621008223 is an apocalyptic number.

7621008223 is a deficient number, since it is larger than the sum of its proper divisors (262793417).

7621008223 is a wasteful number, since it uses less digits than its factorization.

7621008223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262793416.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 7621008223 is about 87298.3861420130. The cubic root of 7621008223 is about 1967.9050645172.

The spelling of 7621008223 in words is "seven billion, six hundred twenty-one million, eight thousand, two hundred twenty-three".