815078046 has 8 divisors (see below), whose sum is σ = 1630156104. Its totient is φ = 271692680.

The previous prime is 815078041. The next prime is 815078051. The reversal of 815078046 is 640870518.

It is an interprime number because it is at equal distance from previous prime (815078041) and next prime (815078051).

It is a sphenic number, since it is the product of 3 distinct primes.

815078046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 815077995 and 815078013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815078041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67923165 + ... + 67923176.

It is an arithmetic number, because the mean of its divisors is an integer number (203769513).

Almost surely, 2^815078046 is an apocalyptic number.

815078046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

815078046 is a wasteful number, since it uses less digits than its factorization.

815078046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135846346.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 815078046 is about 28549.5717305882. The cubic root of 815078046 is about 934.1136790441.

The spelling of 815078046 in words is "eight hundred fifteen million, seventy-eight thousand, forty-six".