7657400063 has 2 divisors, whose sum is σ = 7657400064. Its totient is φ = 7657400062.

The previous prime is 7657400059. The next prime is 7657400071. The reversal of 7657400063 is 3600047567.

It is a weak prime.

It is an emirp because it is prime and its reverse (3600047567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7657400063 - 2² = 7657400059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7657409063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3828700031 + 3828700032.

It is an arithmetic number, because the mean of its divisors is an integer number (3828700032).

Almost surely, 2^7657400063 is an apocalyptic number.

7657400063 is a deficient number, since it is larger than the sum of its proper divisors (1).

7657400063 is an equidigital number, since it uses as much as digits as its factorization.

7657400063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 7657400063 is about 87506.5715417991. The cubic root of 7657400063 is about 1971.0324720081.

The spelling of 7657400063 in words is "seven billion, six hundred fifty-seven million, four hundred thousand, sixty-three".