39878330622 has 48 divisors (see below), whose sum is σ = 88752036240. Its totient is φ = 11874418560.

The previous prime is 39878330617. The next prime is 39878330623. The reversal of 39878330622 is 22603387893.

It is a happy number.

It is a super-3 number, since 3×39878330622³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39878330623) by changing a digit.

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, 191047 + ... + 340962.

It is an arithmetic number, because the mean of its divisors is an integer number (1849000755).

Almost surely, 2^39878330622 is an apocalyptic number.

39878330622 is an abundant number, since it is smaller than the sum of its proper divisors (48873705618).

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

39878330622 is a wasteful number, since it uses less digits than its factorization.

39878330622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532089 (or 532058 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 39878330622 in words is "thirty-nine billion, eight hundred seventy-eight million, three hundred thirty thousand, six hundred twenty-two".