7477674397 has 2 divisors, whose sum is σ = 7477674398. Its totient is φ = 7477674396.

The previous prime is 7477674377. The next prime is 7477674401. The reversal of 7477674397 is 7934767747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6965738521 + 511935876 = 83461^2 + 22626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7477674397 is a prime.

It is a super-2 number, since 2×7477674397² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7477674377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3738837198 + 3738837199.

It is an arithmetic number, because the mean of its divisors is an integer number (3738837199).

Almost surely, 2^7477674397 is an apocalyptic number.

It is an amenable number.

7477674397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7477674397 is an equidigital number, since it uses as much as digits as its factorization.

7477674397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43563744, while the sum is 61.

The square root of 7477674397 is about 86473.5473830003. The cubic root of 7477674397 is about 1955.4896283891.

The spelling of 7477674397 in words is "seven billion, four hundred seventy-seven million, six hundred seventy-four thousand, three hundred ninety-seven".