276979045 has 48 divisors (see below), whose sum is σ = 408481920. Its totient is φ = 176569344.

The previous prime is 276978991. The next prime is 276979049. The reversal of 276979045 is 540979672.

It is not a de Polignac number, because 276979045 - 2¹⁵ = 276946277 is a prime.

It is a super-2 number, since 2×276979045² = 153434782738224050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276979045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276979049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405887 + ... + 1406083.

It is an arithmetic number, because the mean of its divisors is an integer number (8510040).

Almost surely, 2^276979045 is an apocalyptic number.

It is an amenable number.

276979045 is a deficient number, since it is larger than the sum of its proper divisors (131502875).

276979045 is a wasteful number, since it uses less digits than its factorization.

276979045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 276979045 is about 16642.6874332242. The cubic root of 276979045 is about 651.8519531941.

The spelling of 276979045 in words is "two hundred seventy-six million, nine hundred seventy-nine thousand, forty-five".