2653878506076 has 72 divisors (see below), whose sum is σ = 7666913727200. Its totient is φ = 758235810816.

The previous prime is 2653878506053. The next prime is 2653878506087. The reversal of 2653878506076 is 6706058783562.

It is a happy number.

2653878506076 is a `hidden beast` number, since 2 + 6 + 53 + 8 + 7 + 8 + 506 + 0 + 76 = 666.

It is a super-2 number, since 2×2653878506076² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20359380 + ... + 20489316.

Almost surely, 2^{2653878506076} is an apocalyptic number.

It is an amenable number.

2653878506076 is an abundant number, since it is smaller than the sum of its proper divisors (5013035221124).

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

2653878506076 is a wasteful number, since it uses less digits than its factorization.

2653878506076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211003 (or 210998 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 2653878506076 in words is "two trillion, six hundred fifty-three billion, eight hundred seventy-eight million, five hundred six thousand, seventy-six".