78957466 has 16 divisors (see below), whose sum is σ = 136002240. Its totient is φ = 33677280.

The previous prime is 78957443. The next prime is 78957479. The reversal of 78957466 is 66475987.

It is a happy 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, 10411 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (8500140).

Almost surely, 2^78957466 is an apocalyptic number.

78957466 is a deficient number, since it is larger than the sum of its proper divisors (57044774).

78957466 is a wasteful number, since it uses less digits than its factorization.

78957466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26949.

The product of its digits is 2540160, while the sum is 52.

The square root of 78957466 is about 8885.8013707262. The cubic root of 78957466 is about 429.0070218711.

The spelling of 78957466 in words is "seventy-eight million, nine hundred fifty-seven thousand, four hundred sixty-six".