2978078796 has 72 divisors (see below), whose sum is σ = 9385469184. Its totient is φ = 773526240.

The previous prime is 2978078783. The next prime is 2978078809. The reversal of 2978078796 is 6978708792.

It is an interprime number because it is at equal distance from previous prime (2978078783) and next prime (2978078809).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534400 + ... + 539943.

Almost surely, 2^2978078796 is an apocalyptic number.

It is an amenable number.

2978078796 is an abundant number, since it is smaller than the sum of its proper divisors (6407390388).

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

2978078796 is a wasteful number, since it uses less digits than its factorization.

2978078796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074371 (or 1074366 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The square root of 2978078796 is about 54571.7765516205. The cubic root of 2978078796 is about 1438.7281072443.

It can be divided in two parts, 297807 and 8796, that added together give a palindrome (306603).

The spelling of 2978078796 in words is "two billion, nine hundred seventy-eight million, seventy-eight thousand, seven hundred ninety-six".