1887777073296 has 135 divisors (see below), whose sum is σ = 5374045896843. Its totient is φ = 618613551360.

The previous prime is 1887777073267. The next prime is 1887777073309. The reversal of 1887777073296 is 6923707777881.

The square root of 1887777073296 is 1373964.

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

It can be written as a sum of positive squares in 4 ways, for example, as 397580691600 + 1490196381696 = 630540^2 + 1220736^2 .

It is a super-2 number, since 2×1887777073296² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1005740710 + ... + 1005742586.

Almost surely, 2^{1887777073296} is an apocalyptic number.

1887777073296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1887777073296 is the 1373964-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1887777073296

1887777073296 is an abundant number, since it is smaller than the sum of its proper divisors (3486268823547).

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

1887777073296 is an frugal number, since it uses more digits than its factorization.

1887777073296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 348509952, while the sum is 72.

The spelling of 1887777073296 in words is "one trillion, eight hundred eighty-seven billion, seven hundred seventy-seven million, seventy-three thousand, two hundred ninety-six".