38750532778 has 8 divisors (see below), whose sum is σ = 58127815620. Its totient is φ = 19374594240.

The previous prime is 38750532773. The next prime is 38750532781. The reversal of 38750532778 is 87723505783.

It can be written as a sum of positive squares in 2 ways, for example, as 37386929449 + 1363603329 = 193357^2 + 36927^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38750532773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260623 + ... + 381346.

Almost surely, 2^38750532778 is an apocalyptic number.

38750532778 is a deficient number, since it is larger than the sum of its proper divisors (19377282842).

38750532778 is a wasteful number, since it uses less digits than its factorization.

38750532778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672152.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 38750532778 in words is "thirty-eight billion, seven hundred fifty million, five hundred thirty-two thousand, seven hundred seventy-eight".