2078992764 has 96 divisors (see below), whose sum is σ = 5745600000. Its totient is φ = 647827200.

The previous prime is 2078992763. The next prime is 2078992813. The reversal of 2078992764 is 4672998702.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2078992764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078992763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273487 + ... + 280985.

It is an arithmetic number, because the mean of its divisors is an integer number (59850000).

Almost surely, 2^2078992764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078992764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2872800000).

2078992764 is an abundant number, since it is smaller than the sum of its proper divisors (3666607236).

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

2078992764 is a wasteful number, since it uses less digits than its factorization.

2078992764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 2078992764 is about 45595.9731116685. The cubic root of 2078992764 is about 1276.2947788081.

The spelling of 2078992764 in words is "two billion, seventy-eight million, nine hundred ninety-two thousand, seven hundred sixty-four".