2925117780 has 48 divisors (see below), whose sum is σ = 8820357504. Its totient is φ = 720028800.

The previous prime is 2925117779. The next prime is 2925117781. The reversal of 2925117780 is 877115292.

It is an interprime number because it is at equal distance from previous prime (2925117779) and next prime (2925117781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2925117781) 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, 1874296 + ... + 1875855.

It is an arithmetic number, because the mean of its divisors is an integer number (183757448).

Almost surely, 2^2925117780 is an apocalyptic number.

2925117780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2925117780 is an abundant number, since it is smaller than the sum of its proper divisors (5895239724).

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

2925117780 is a wasteful number, since it uses less digits than its factorization.

2925117780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750176 (or 3750174 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 2925117780 is about 54084.3579974839. The cubic root of 2925117780 is about 1430.1484482466.

The spelling of 2925117780 in words is "two billion, nine hundred twenty-five million, one hundred seventeen thousand, seven hundred eighty".