38455750078086 has 32 divisors (see below), whose sum is σ = 83903767584768. Its totient is φ = 11653214145440.

The previous prime is 38455750078069. The next prime is 38455750078099. The reversal of 38455750078086 is 68087005755483.

It is a super-2 number, since 2×38455750078086² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19752955 + ... + 21612281.

It is an arithmetic number, because the mean of its divisors is an integer number (2621992737024).

Almost surely, 2^{38455750078086} is an apocalyptic number.

38455750078086 is an abundant number, since it is smaller than the sum of its proper divisors (45448017506682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38455750078086 is a wasteful number, since it uses less digits than its factorization.

38455750078086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172716.

The product of its (nonzero) digits is 225792000, while the sum is 66.

The spelling of 38455750078086 in words is "thirty-eight trillion, four hundred fifty-five billion, seven hundred fifty million, seventy-eight thousand, eighty-six".