94801978 has 4 divisors (see below), whose sum is σ = 142202970. Its totient is φ = 47400988.

The previous prime is 94801951. The next prime is 94801981. The reversal of 94801978 is 87910849.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87910849 = 13 ⋅6762373.

It can be written as a sum of positive squares in only one way, i.e., 92679129 + 2122849 = 9627^2 + 1457^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23700493 + ... + 23700496.

Almost surely, 2^94801978 is an apocalyptic number.

94801978 is a deficient number, since it is larger than the sum of its proper divisors (47400992).

94801978 is a wasteful number, since it uses less digits than its factorization.

94801978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47400991.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 94801978 is about 9736.6307314183. The cubic root of 94801978 is about 455.9730061224.

The spelling of 94801978 in words is "ninety-four million, eight hundred one thousand, nine hundred seventy-eight".