38978662247254 has 16 divisors (see below), whose sum is σ = 59830075424592. Its totient is φ = 19035339549408.

The previous prime is 38978662247243. The next prime is 38978662247269. The reversal of 38978662247254 is 45274226687983.

It is a super-2 number, since 2×38978662247254² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6749469 + ... + 11113624.

It is an arithmetic number, because the mean of its divisors is an integer number (3739379714037).

Almost surely, 2^{38978662247254} is an apocalyptic number.

38978662247254 is a deficient number, since it is larger than the sum of its proper divisors (20851413177338).

38978662247254 is a wasteful number, since it uses less digits than its factorization.

38978662247254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888511.

The product of its digits is 1950842880, while the sum is 73.

The spelling of 38978662247254 in words is "thirty-eight trillion, nine hundred seventy-eight billion, six hundred sixty-two million, two hundred forty-seven thousand, two hundred fifty-four".