780883425 has 36 divisors (see below), whose sum is σ = 1598459200. Its totient is φ = 356974560.

The previous prime is 780883403. The next prime is 780883447. The reversal of 780883425 is 524388087.

It is an interprime number because it is at equal distance from previous prime (780883403) and next prime (780883447).

It is not a de Polignac number, because 780883425 - 2⁵ = 780883393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 246325 + ... + 249474.

Almost surely, 2^780883425 is an apocalyptic number.

780883425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

780883425 is an abundant number, since it is smaller than the sum of its proper divisors (817575775).

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

780883425 is a wasteful number, since it uses less digits than its factorization.

780883425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495822 (or 495814 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 780883425 is about 27944.2914563959. The cubic root of 780883425 is about 920.8638015803.

The spelling of 780883425 in words is "seven hundred eighty million, eight hundred eighty-three thousand, four hundred twenty-five".