38978079 has 12 divisors (see below), whose sum is σ = 60456024. Its totient is φ = 22273104.

The previous prime is 38978033. The next prime is 38978089. The reversal of 38978079 is 97087983.

It is a happy number.

It is not a de Polignac number, because 38978079 - 2¹⁶ = 38912543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38978029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132432 + ... + 132725.

It is an arithmetic number, because the mean of its divisors is an integer number (5038002).

Almost surely, 2^38978079 is an apocalyptic number.

38978079 is a deficient number, since it is larger than the sum of its proper divisors (21477945).

38978079 is a wasteful number, since it uses less digits than its factorization.

38978079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265174 (or 265167 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 38978079 is about 6243.2426670761. The cubic root of 38978079 is about 339.0575950036.

The spelling of 38978079 in words is "thirty-eight million, nine hundred seventy-eight thousand, seventy-nine".