1797255564 has 24 divisors (see below), whose sum is σ = 4516181040. Its totient is φ = 553001664.

The previous prime is 1797255553. The next prime is 1797255601. The reversal of 1797255564 is 4655527971.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5760279 + ... + 5760590.

It is an arithmetic number, because the mean of its divisors is an integer number (188174210).

Almost surely, 2^1797255564 is an apocalyptic number.

It is an amenable number.

1797255564 is an abundant number, since it is smaller than the sum of its proper divisors (2718925476).

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

1797255564 is a wasteful number, since it uses less digits than its factorization.

1797255564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520889 (or 11520887 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 51.

The square root of 1797255564 is about 42394.0510449285. The cubic root of 1797255564 is about 1215.8218544934.

It can be divided in two parts, 17972 and 55564, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 1797255564 in words is "one billion, seven hundred ninety-seven million, two hundred fifty-five thousand, five hundred sixty-four".