15045827377 has 4 divisors (see below), whose sum is σ = 17195231296. Its totient is φ = 12896423460.

The previous prime is 15045827311. The next prime is 15045827393. The reversal of 15045827377 is 77372854051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77372854051 = 877 ⋅88224463.

It is a cyclic number.

It is not a de Polignac number, because 15045827377 - 2¹⁹ = 15045303089 is a prime.

It is a super-3 number, since 3×15045827377³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15045827377.

It is not an unprimeable number, because it can be changed into a prime (15045827077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074701949 + ... + 1074701962.

It is an arithmetic number, because the mean of its divisors is an integer number (4298807824).

Almost surely, 2^15045827377 is an apocalyptic number.

It is an amenable number.

15045827377 is a deficient number, since it is larger than the sum of its proper divisors (2149403919).

15045827377 is an equidigital number, since it uses as much as digits as its factorization.

15045827377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149403918.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 15045827377 in words is "fifteen billion, forty-five million, eight hundred twenty-seven thousand, three hundred seventy-seven".