78462407 has 6 divisors (see below), whose sum is σ = 81918168. Its totient is φ = 75010364.

The previous prime is 78462367. The next prime is 78462421. The reversal of 78462407 is 70426487.

It is not a de Polignac number, because 78462407 - 2¹⁴ = 78446023 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 (78462437) 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, 41558 + ... + 43404.

It is an arithmetic number, because the mean of its divisors is an integer number (13653028).

Almost surely, 2^78462407 is an apocalyptic number.

78462407 is a deficient number, since it is larger than the sum of its proper divisors (3455761).

78462407 is an frugal number, since it uses more digits than its factorization.

78462407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 78462407 is about 8857.9008235586. The cubic root of 78462407 is about 428.1085245369.

The spelling of 78462407 in words is "seventy-eight million, four hundred sixty-two thousand, four hundred seven".