79285491 has 6 divisors (see below), whose sum is σ = 114523500. Its totient is φ = 52856988.

The previous prime is 79285489. The next prime is 79285529. The reversal of 79285491 is 19458297.

It is not a de Polignac number, because 79285491 - 2¹ = 79285489 is a prime.

It is a super-2 number, since 2×79285491² = 12572378166222162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79285411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4404741 + ... + 4404758.

It is an arithmetic number, because the mean of its divisors is an integer number (19087250).

Almost surely, 2^79285491 is an apocalyptic number.

79285491 is a deficient number, since it is larger than the sum of its proper divisors (35238009).

79285491 is a wasteful number, since it uses less digits than its factorization.

79285491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809505 (or 8809502 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 79285491 is about 8904.2400574109. The cubic root of 79285491 is about 429.6002974052.

The spelling of 79285491 in words is "seventy-nine million, two hundred eighty-five thousand, four hundred ninety-one".