27542057764 has 45 divisors (see below), whose sum is σ = 52321571351. Its totient is φ = 12685829520.

The previous prime is 27542057713. The next prime is 27542057789. The reversal of 27542057764 is 46775024572.

The square root of 27542057764 is 165958.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13655792164 + 13886265600 = 116858^2 + 117840^2 .

It is a super-4 number, since 4×27542057764⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 56093559 + ... + 56094049.

Almost surely, 2^27542057764 is an apocalyptic number.

27542057764 is the 165958-th square number.

It is an amenable number.

27542057764 is a deficient number, since it is larger than the sum of its proper divisors (24779513587).

27542057764 is an frugal number, since it uses more digits than its factorization.

27542057764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 49.

Multiplying 27542057764 by its sum of digits (49), we get a square (1349560830436 = 1161706²).

The spelling of 27542057764 in words is "twenty-seven billion, five hundred forty-two million, fifty-seven thousand, seven hundred sixty-four".