2078920025 has 24 divisors (see below), whose sum is σ = 3172755264. Its totient is φ = 1315886400.

The previous prime is 2078920003. The next prime is 2078920079. The reversal of 2078920025 is 5200298702.

It is not a de Polignac number, because 2078920025 - 2²⁰ = 2077871449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 454631 + ... + 459180.

It is an arithmetic number, because the mean of its divisors is an integer number (132198136).

Almost surely, 2^2078920025 is an apocalyptic number.

2078920025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2078920025 is a deficient number, since it is larger than the sum of its proper divisors (1093835239).

2078920025 is a wasteful number, since it uses less digits than its factorization.

2078920025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913841 (or 913836 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2078920025 is about 45595.1754574977. The cubic root of 2078920025 is about 1276.2798937974.

The spelling of 2078920025 in words is "two billion, seventy-eight million, nine hundred twenty thousand, twenty-five".