78083807 has 8 divisors (see below), whose sum is σ = 79169952. Its totient is φ = 77004000.

The previous prime is 78083777. The next prime is 78083809. The reversal of 78083807 is 70838087.

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

It is a cyclic number.

It is not a de Polignac number, because 78083807 - 2¹⁶ = 78018271 is a prime.

It is a super-2 number, since 2×78083807² = 12194161831226498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78083809) 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, 26582 + ... + 29372.

It is an arithmetic number, because the mean of its divisors is an integer number (9896244).

Almost surely, 2^78083807 is an apocalyptic number.

78083807 is a deficient number, since it is larger than the sum of its proper divisors (1086145).

78083807 is a wasteful number, since it uses less digits than its factorization.

78083807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 78083807 is about 8836.5042296148. The cubic root of 78083807 is about 427.4188384847.

The spelling of 78083807 in words is "seventy-eight million, eighty-three thousand, eight hundred seven".