38678470780501 has 2 divisors, whose sum is σ = 38678470780502. Its totient is φ = 38678470780500.

The previous prime is 38678470780483. The next prime is 38678470780517. The reversal of 38678470780501 is 10508707487683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35522255603025 + 3156215177476 = 5960055^2 + 1776574^2 .

It is an emirp because it is prime and its reverse (10508707487683) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38678470780501 is a prime.

It is a super-2 number, since 2×38678470780501² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678470780591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339235390250 + 19339235390251.

It is an arithmetic number, because the mean of its divisors is an integer number (19339235390251).

Almost surely, 2^{38678470780501} is an apocalyptic number.

It is an amenable number.

38678470780501 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678470780501 is an equidigital number, since it uses as much as digits as its factorization.

38678470780501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 38678470780501 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred seventy million, seven hundred eighty thousand, five hundred one".