7327977401 has 2 divisors, whose sum is σ = 7327977402. Its totient is φ = 7327977400.

The previous prime is 7327977281. The next prime is 7327977409. The reversal of 7327977401 is 1047797237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5794863376 + 1533114025 = 76124^2 + 39155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7327977401 is a prime.

It is not a weakly prime, because it can be changed into another prime (7327977409) by changing a digit.

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 as a sum of consecutive naturals, namely, 3663988700 + 3663988701.

It is an arithmetic number, because the mean of its divisors is an integer number (3663988701).

Almost surely, 2^7327977401 is an apocalyptic number.

It is an amenable number.

7327977401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7327977401 is an equidigital number, since it uses as much as digits as its factorization.

7327977401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 7327977401 is about 85603.6062382888. The cubic root of 7327977401 is about 1942.3524621503.

The spelling of 7327977401 in words is "seven billion, three hundred twenty-seven million, nine hundred seventy-seven thousand, four hundred one".