979149078 has 24 divisors (see below), whose sum is σ = 2233147800. Its totient is φ = 309204864.

The previous prime is 979149049. The next prime is 979149079. The reversal of 979149078 is 870941979.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979149079) 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, 1431163 + ... + 1431846.

It is an arithmetic number, because the mean of its divisors is an integer number (93047825).

Almost surely, 2^979149078 is an apocalyptic number.

979149078 is an abundant number, since it is smaller than the sum of its proper divisors (1253998722).

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

979149078 is a wasteful number, since it uses less digits than its factorization.

979149078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863036 (or 2863033 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 979149078 is about 31291.3578804116. The cubic root of 979149078 is about 993.0008184171. Note that the first 3 decimals are identical.

The spelling of 979149078 in words is "nine hundred seventy-nine million, one hundred forty-nine thousand, seventy-eight".