2078699520 has 208 divisors, whose sum is σ = 6944919552. Its totient is φ = 529858560.

The previous prime is 2078699509. The next prime is 2078699527. The reversal of 2078699520 is 259968702.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2078699520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078699527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412385 + ... + 1413855.

Almost surely, 2^2078699520 is an apocalyptic number.

2078699520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078699520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472459776).

2078699520 is an abundant number, since it is smaller than the sum of its proper divisors (4866220032).

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

2078699520 is a wasteful number, since it uses less digits than its factorization.

2078699520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 2078699520 is about 45592.7573195568. The cubic root of 2078699520 is about 1276.2347684366.

The spelling of 2078699520 in words is "two billion, seventy-eight million, six hundred ninety-nine thousand, five hundred twenty".