6127780902 has 16 divisors (see below), whose sum is σ = 12256425792. Its totient is φ = 2042449640.

The previous prime is 6127780889. The next prime is 6127780907. The reversal of 6127780902 is 2090877216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6127780907) 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, 90277 + ... + 142847.

It is an arithmetic number, because the mean of its divisors is an integer number (766026612).

Almost surely, 2^6127780902 is an apocalyptic number.

6127780902 is an abundant number, since it is smaller than the sum of its proper divisors (6128644890).

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

6127780902 is a wasteful number, since it uses less digits than its factorization.

6127780902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72003.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 6127780902 is about 78280.1437275124. The cubic root of 6127780902 is about 1829.9297157156.

The spelling of 6127780902 in words is "six billion, one hundred twenty-seven million, seven hundred eighty thousand, nine hundred two".