79477946 has 8 divisors (see below), whose sum is σ = 120996480. Its totient is φ = 39145788.

The previous prime is 79477943. The next prime is 79477991. The reversal of 79477946 is 64977497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79477943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296426 + ... + 296693.

It is an arithmetic number, because the mean of its divisors is an integer number (15124560).

Almost surely, 2^79477946 is an apocalyptic number.

79477946 is a deficient number, since it is larger than the sum of its proper divisors (41518534).

79477946 is a wasteful number, since it uses less digits than its factorization.

79477946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593188.

The product of its digits is 2667168, while the sum is 53.

The square root of 79477946 is about 8915.0404373732. The cubic root of 79477946 is about 429.9476157567.

The spelling of 79477946 in words is "seventy-nine million, four hundred seventy-seven thousand, nine hundred forty-six".