38277780547 has 2 divisors, whose sum is σ = 38277780548. Its totient is φ = 38277780546.

The previous prime is 38277780529. The next prime is 38277780571. The reversal of 38277780547 is 74508777283.

It is a weak prime.

It is an emirp because it is prime and its reverse (74508777283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38277780547 - 2⁷ = 38277780419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38277780491 and 38277780500.

It is not a weakly prime, because it can be changed into another prime (38277780577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19138890273 + 19138890274.

It is an arithmetic number, because the mean of its divisors is an integer number (19138890274).

Almost surely, 2^38277780547 is an apocalyptic number.

38277780547 is a deficient number, since it is larger than the sum of its proper divisors (1).

38277780547 is an equidigital number, since it uses as much as digits as its factorization.

38277780547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18439680, while the sum is 58.

The spelling of 38277780547 in words is "thirty-eight billion, two hundred seventy-seven million, seven hundred eighty thousand, five hundred forty-seven".