3845276220788 has 6 divisors (see below), whose sum is σ = 6729233386386. Its totient is φ = 1922638110392.

The previous prime is 3845276220761. The next prime is 3845276220869. The reversal of 3845276220788 is 8870226725483.

It can be written as a sum of positive squares in only one way, i.e., 2524863796324 + 1320412424464 = 1588982^2 + 1149092^2 .

It is a super-2 number, since 2×3845276220788² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3845276220788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480659527595 + ... + 480659527602.

It is an arithmetic number, because the mean of its divisors is an integer number (1121538897731).

Almost surely, 2^{3845276220788} is an apocalyptic number.

It is an amenable number.

3845276220788 is a deficient number, since it is larger than the sum of its proper divisors (2883957165598).

3845276220788 is a wasteful number, since it uses less digits than its factorization.

3845276220788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961319055201 (or 961319055199 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 62.

The spelling of 3845276220788 in words is "three trillion, eight hundred forty-five billion, two hundred seventy-six million, two hundred twenty thousand, seven hundred eighty-eight".