1678570852 has 36 divisors (see below), whose sum is σ = 3422366640. Its totient is φ = 718276944.

The previous prime is 1678570801. The next prime is 1678570867. The reversal of 1678570852 is 2580758761.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 1678570796 and 1678570805.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127599 + ... + 140137.

It is an arithmetic number, because the mean of its divisors is an integer number (95065740).

Almost surely, 2^1678570852 is an apocalyptic number.

It is an amenable number.

1678570852 is an abundant number, since it is smaller than the sum of its proper divisors (1743795788).

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

1678570852 is a wasteful number, since it uses less digits than its factorization.

1678570852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13240 (or 13231 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The square root of 1678570852 is about 40970.3655341272. The cubic root of 1678570852 is about 1188.4472018983.

The spelling of 1678570852 in words is "one billion, six hundred seventy-eight million, five hundred seventy thousand, eight hundred fifty-two".