373847867761 has 9 divisors (see below), whose sum is σ = 376681003531. Its totient is φ = 371035896592.

The previous prime is 373847867759. The next prime is 373847867807. The reversal of 373847867761 is 167768748373.

The square root of 373847867761 is 611431.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 219600018225 + 154247849536 = 468615^2 + 392744^2 .

It is not a de Polignac number, because 373847867761 - 2¹ = 373847867759 is a prime.

It is a super-2 number, since 2×373847867761² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373847867711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83763816 + ... + 83768278.

Almost surely, 2^373847867761 is an apocalyptic number.

373847867761 is the 611431-st square number.

373847867761 is the 305716-th centered octagonal number.

It is an amenable number.

373847867761 is a deficient number, since it is larger than the sum of its proper divisors (2833135770).

373847867761 is an frugal number, since it uses more digits than its factorization.

373847867761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200 (or 4600 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 67.

The spelling of 373847867761 in words is "three hundred seventy-three billion, eight hundred forty-seven million, eight hundred sixty-seven thousand, seven hundred sixty-one".