38874887420 has 12 divisors (see below), whose sum is σ = 81637263624. Its totient is φ = 15549954960.

The previous prime is 38874887417. The next prime is 38874887461. The reversal of 38874887420 is 2478847883.

It is a super-2 number, since 2×38874887420² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38874887420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971872166 + ... + 971872205.

It is an arithmetic number, because the mean of its divisors is an integer number (6803105302).

Almost surely, 2^38874887420 is an apocalyptic number.

It is an amenable number.

38874887420 is an abundant number, since it is smaller than the sum of its proper divisors (42762376204).

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

38874887420 is a wasteful number, since it uses less digits than its factorization.

38874887420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943744380 (or 1943744378 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 59.

The spelling of 38874887420 in words is "thirty-eight billion, eight hundred seventy-four million, eight hundred eighty-seven thousand, four hundred twenty".