2778000536 has 16 divisors (see below), whose sum is σ = 5435218800. Its totient is φ = 1328608864.

The previous prime is 2778000527. The next prime is 2778000539. The reversal of 2778000536 is 6350008772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2778000536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778000539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7548731 + ... + 7549098.

It is an arithmetic number, because the mean of its divisors is an integer number (339701175).

Almost surely, 2^2778000536 is an apocalyptic number.

It is an amenable number.

2778000536 is a deficient number, since it is larger than the sum of its proper divisors (2657218264).

2778000536 is a wasteful number, since it uses less digits than its factorization.

2778000536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15097858 (or 15097854 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2778000536 is about 52706.7408971566. The cubic root of 2778000536 is about 1405.7586841441.

The spelling of 2778000536 in words is "two billion, seven hundred seventy-eight million, five hundred thirty-six", and thus it is an aban number.