46979779 has 24 divisors (see below), whose sum is σ = 61034688. Its totient is φ = 35738640.

The previous prime is 46979773. The next prime is 46979791. The reversal of 46979779 is 97797964.

It is not a de Polignac number, because 46979779 - 2³ = 46979771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46979771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22164 + ... + 24190.

It is an arithmetic number, because the mean of its divisors is an integer number (2543112).

Almost surely, 2^46979779 is an apocalyptic number.

46979779 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

46979779 is a deficient number, since it is larger than the sum of its proper divisors (14054909).

46979779 is a wasteful number, since it uses less digits than its factorization.

46979779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2088 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 58.

The square root of 46979779 is about 6854.1796737465. The cubic root of 46979779 is about 360.8308459288.

The spelling of 46979779 in words is "forty-six million, nine hundred seventy-nine thousand, seven hundred seventy-nine".