46979878 has 16 divisors (see below), whose sum is σ = 77852160. Its totient is φ = 21083400.

The previous prime is 46979873. The next prime is 46979887. The reversal of 46979878 is 87897964.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46979873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11778 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (4865760).

Almost surely, 2^46979878 is an apocalyptic number.

46979878 is a deficient number, since it is larger than the sum of its proper divisors (30872282).

46979878 is a wasteful number, since it uses less digits than its factorization.

46979878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27123.

The product of its digits is 6096384, while the sum is 58.

The square root of 46979878 is about 6854.1868956135. The cubic root of 46979878 is about 360.8310993870.

The spelling of 46979878 in words is "forty-six million, nine hundred seventy-nine thousand, eight hundred seventy-eight".