7920266503 has 2 divisors, whose sum is σ = 7920266504. Its totient is φ = 7920266502.

The previous prime is 7920266483. The next prime is 7920266507. The reversal of 7920266503 is 3056620297.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7920266503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7920266507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3960133251 + 3960133252.

It is an arithmetic number, because the mean of its divisors is an integer number (3960133252).

Almost surely, 2^7920266503 is an apocalyptic number.

7920266503 is a deficient number, since it is larger than the sum of its proper divisors (1).

7920266503 is an equidigital number, since it uses as much as digits as its factorization.

7920266503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 7920266503 is about 88995.8791349352. The cubic root of 7920266503 is about 1993.3333444599. Note that the first 4 decimals are identical.

The spelling of 7920266503 in words is "seven billion, nine hundred twenty million, two hundred sixty-six thousand, five hundred three".