37878872540 has 24 divisors (see below), whose sum is σ = 81485771472. Its totient is φ = 14781998720.

The previous prime is 37878872533. The next prime is 37878872543. The reversal of 37878872540 is 4527887873.

37878872540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 37878872540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37878872543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23096054 + ... + 23097693.

It is an arithmetic number, because the mean of its divisors is an integer number (3395240478).

Almost surely, 2^37878872540 is an apocalyptic number.

It is an amenable number.

37878872540 is an abundant number, since it is smaller than the sum of its proper divisors (43606898932).

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

37878872540 is a wasteful number, since it uses less digits than its factorization.

37878872540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46193797 (or 46193795 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 37878872540 in words is "thirty-seven billion, eight hundred seventy-eight million, eight hundred seventy-two thousand, five hundred forty".