79941477 has 32 divisors (see below), whose sum is σ = 133484544. Its totient is φ = 41342400.

The previous prime is 79941473. The next prime is 79941479. The reversal of 79941477 is 77414997.

It is not a de Polignac number, because 79941477 - 2² = 79941473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79941473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61963 + ... + 63239.

It is an arithmetic number, because the mean of its divisors is an integer number (4171392).

Almost surely, 2^79941477 is an apocalyptic number.

79941477 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

79941477 is a deficient number, since it is larger than the sum of its proper divisors (53543067).

79941477 is a wasteful number, since it uses less digits than its factorization.

79941477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its digits is 444528, while the sum is 48.

The square root of 79941477 is about 8940.9997763114. Note that the first 3 decimals coincide. The cubic root of 79941477 is about 430.7818423906.

The spelling of 79941477 in words is "seventy-nine million, nine hundred forty-one thousand, four hundred seventy-seven".