38279917597 has 2 divisors, whose sum is σ = 38279917598. Its totient is φ = 38279917596.

The previous prime is 38279917561. The next prime is 38279917631. The reversal of 38279917597 is 79571997283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38183504836 + 96412761 = 195406^2 + 9819^2 .

It is a cyclic number.

It is not a de Polignac number, because 38279917597 - 2³⁵ = 3920179229 is a prime.

It is a super-2 number, since 2×38279917597² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38279927597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19139958798 + 19139958799.

It is an arithmetic number, because the mean of its divisors is an integer number (19139958799).

Almost surely, 2^38279917597 is an apocalyptic number.

It is an amenable number.

38279917597 is a deficient number, since it is larger than the sum of its proper divisors (1).

38279917597 is an equidigital number, since it uses as much as digits as its factorization.

38279917597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60011280, while the sum is 67.

The spelling of 38279917597 in words is "thirty-eight billion, two hundred seventy-nine million, nine hundred seventeen thousand, five hundred ninety-seven".