38781266248407 has 8 divisors (see below), whose sum is σ = 51711513982960. Its totient is φ = 25852598006400.

The previous prime is 38781266248397. The next prime is 38781266248451. The reversal of 38781266248407 is 70484266218783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38781266248407 - 2⁶ = 38781266248343 is a prime.

It is a super-2 number, since 2×38781266248407² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38781266244407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394815844 + ... + 394914057.

It is an arithmetic number, because the mean of its divisors is an integer number (6463939247870).

Almost surely, 2^{38781266248407} is an apocalyptic number.

38781266248407 is a deficient number, since it is larger than the sum of its proper divisors (12930247734553).

38781266248407 is a wasteful number, since it uses less digits than its factorization.

38781266248407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789746273.

The product of its (nonzero) digits is 173408256, while the sum is 66.

The spelling of 38781266248407 in words is "thirty-eight trillion, seven hundred eighty-one billion, two hundred sixty-six million, two hundred forty-eight thousand, four hundred seven".