825878862 has 16 divisors (see below), whose sum is σ = 1835286480. Its totient is φ = 275292936.

The previous prime is 825878861. The next prime is 825878869. The reversal of 825878862 is 268878528.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 15294053 = 825878862 / (8 + 2 + 5 + 8 + 7 + 8 + 8 + 6 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 825878799 and 825878808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825878861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7646973 + ... + 7647080.

It is an arithmetic number, because the mean of its divisors is an integer number (114705405).

Almost surely, 2^825878862 is an apocalyptic number.

825878862 is an abundant number, since it is smaller than the sum of its proper divisors (1009407618).

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

825878862 is a wasteful number, since it uses less digits than its factorization.

825878862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294064 (or 15294058 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 825878862 is about 28738.1081840820. The cubic root of 825878862 is about 938.2216498005.

The spelling of 825878862 in words is "eight hundred twenty-five million, eight hundred seventy-eight thousand, eight hundred sixty-two".