79737487 has 8 divisors (see below), whose sum is σ = 82484352. Its totient is φ = 77001600.

The previous prime is 79737451. The next prime is 79737491. The reversal of 79737487 is 78473797.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79737487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79737407) 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, 13683 + ... + 18619.

It is an arithmetic number, because the mean of its divisors is an integer number (10310544).

Almost surely, 2^79737487 is an apocalyptic number.

79737487 is a deficient number, since it is larger than the sum of its proper divisors (2746865).

79737487 is a wasteful number, since it uses less digits than its factorization.

79737487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489.

The product of its digits is 2074464, while the sum is 52.

The square root of 79737487 is about 8929.5849287635. The cubic root of 79737487 is about 430.4151156200.

The spelling of 79737487 in words is "seventy-nine million, seven hundred thirty-seven thousand, four hundred eighty-seven".