45678879 has 12 divisors (see below), whose sum is σ = 67590432. Its totient is φ = 29709600.

The previous prime is 45678863. The next prime is 45678887. The reversal of 45678879 is 97887654.

45678879 is a `hidden beast` number, since 4 + 567 + 8 + 8 + 79 = 666.

It is not a de Polignac number, because 45678879 - 2⁴ = 45678863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45678839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61527 + ... + 62264.

It is an arithmetic number, because the mean of its divisors is an integer number (5632536).

Almost surely, 2^45678879 is an apocalyptic number.

45678879 is a deficient number, since it is larger than the sum of its proper divisors (21911553).

45678879 is a wasteful number, since it uses less digits than its factorization.

45678879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123838 (or 123835 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 45678879 is about 6758.6151688049. The cubic root of 45678879 is about 357.4690771499.

The spelling of 45678879 in words is "forty-five million, six hundred seventy-eight thousand, eight hundred seventy-nine".