38963377278 has 48 divisors (see below), whose sum is σ = 99593035776. Its totient is φ = 10773282960.

The previous prime is 38963377259. The next prime is 38963377283. The reversal of 38963377278 is 87277336983.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4983726 + ... + 4991537.

It is an arithmetic number, because the mean of its divisors is an integer number (2074854912).

Almost surely, 2^38963377278 is an apocalyptic number.

38963377278 is an abundant number, since it is smaller than the sum of its proper divisors (60629658498).

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

38963377278 is a wasteful number, since it uses less digits than its factorization.

38963377278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975309 (or 9975306 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The spelling of 38963377278 in words is "thirty-eight billion, nine hundred sixty-three million, three hundred seventy-seven thousand, two hundred seventy-eight".