78413485 has 8 divisors (see below), whose sum is σ = 94728600. Its totient is φ = 62309184.

The previous prime is 78413479. The next prime is 78413507. The reversal of 78413485 is 58431487.

It can be written as a sum of positive squares in 4 ways, for example, as 1990921 + 76422564 = 1411^2 + 8742^2 .

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-78413485 is a prime.

It is a super-2 number, since 2×78413485² = 12297349259690450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51882 + ... + 53371.

It is an arithmetic number, because the mean of its divisors is an integer number (11841075).

Almost surely, 2^78413485 is an apocalyptic number.

It is an amenable number.

78413485 is a deficient number, since it is larger than the sum of its proper divisors (16315115).

78413485 is a wasteful number, since it uses less digits than its factorization.

78413485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105407.

The product of its digits is 107520, while the sum is 40.

The square root of 78413485 is about 8855.1389034842. The cubic root of 78413485 is about 428.0195295628.

The spelling of 78413485 in words is "seventy-eight million, four hundred thirteen thousand, four hundred eighty-five".