3780972550 has 72 divisors (see below), whose sum is σ = 7509369816. Its totient is φ = 1416053760.

The previous prime is 3780972529. The next prime is 3780972589. The reversal of 3780972550 is 552790873.

It is a self number, because there is not a number n which added to its sum of digits gives 3780972550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3366289 + ... + 3367411.

It is an arithmetic number, because the mean of its divisors is an integer number (104296803).

Almost surely, 2^3780972550 is an apocalyptic number.

3780972550 is a deficient number, since it is larger than the sum of its proper divisors (3728397266).

3780972550 is a wasteful number, since it uses less digits than its factorization.

3780972550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 3780972550 is about 61489.6133505489. The cubic root of 3780972550 is about 1557.8818159284.

The spelling of 3780972550 in words is "three billion, seven hundred eighty million, nine hundred seventy-two thousand, five hundred fifty".