8201772042 has 8 divisors (see below), whose sum is σ = 16403544096. Its totient is φ = 2733924012.

The previous prime is 8201772031. The next prime is 8201772053. The reversal of 8201772042 is 2402771028.

It is an interprime number because it is at equal distance from previous prime (8201772031) and next prime (8201772053).

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

8201772042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8201771994 and 8201772012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683480998 + ... + 683481009.

It is an arithmetic number, because the mean of its divisors is an integer number (2050443012).

Almost surely, 2^8201772042 is an apocalyptic number.

8201772042 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.

8201772042 is a wasteful number, since it uses less digits than its factorization.

8201772042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366962012.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 8201772042 is about 90563.6353179354. The cubic root of 8201772042 is about 2016.6749239134.

The spelling of 8201772042 in words is "eight billion, two hundred one million, seven hundred seventy-two thousand, forty-two".