7320777825 has 12 divisors (see below), whose sum is σ = 12103686128. Its totient is φ = 3904414800.

The previous prime is 7320777809. The next prime is 7320777829. The reversal of 7320777825 is 5287770237.

It is a happy number.

It is not a de Polignac number, because 7320777825 - 2⁴ = 7320777809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7320777829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48805111 + ... + 48805260.

Almost surely, 2^7320777825 is an apocalyptic number.

7320777825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7320777825 is a deficient number, since it is larger than the sum of its proper divisors (4782908303).

7320777825 is a wasteful number, since it uses less digits than its factorization.

7320777825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97610384 (or 97610379 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 48.

The square root of 7320777825 is about 85561.5440779326. The cubic root of 7320777825 is about 1941.7161475803.

The spelling of 7320777825 in words is "seven billion, three hundred twenty million, seven hundred seventy-seven thousand, eight hundred twenty-five".