780625875 has 32 divisors (see below), whose sum is σ = 1301414400. Its totient is φ = 415548000.

The previous prime is 780625847. The next prime is 780625877. The reversal of 780625875 is 578526087.

It is not a de Polignac number, because 780625875 - 2⁵ = 780625843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (780625877) 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, 234976 + ... + 238274.

It is an arithmetic number, because the mean of its divisors is an integer number (40669200).

Almost surely, 2^780625875 is an apocalyptic number.

780625875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

780625875 is a deficient number, since it is larger than the sum of its proper divisors (520788525).

780625875 is a wasteful number, since it uses less digits than its factorization.

780625875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 780625875 is about 27939.6828006332. The cubic root of 780625875 is about 920.7625510635.

The spelling of 780625875 in words is "seven hundred eighty million, six hundred twenty-five thousand, eight hundred seventy-five".