47770082 has 4 divisors (see below), whose sum is σ = 71655126. Its totient is φ = 23885040.

The previous prime is 47770081. The next prime is 47770091. The reversal of 47770082 is 28007774.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47045881 + 724201 = 6859^2 + 851^2 .

It is not an unprimeable number, because it can be changed into a prime (47770081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11942519 + ... + 11942522.

Almost surely, 2^47770082 is an apocalyptic number.

47770082 is a deficient number, since it is larger than the sum of its proper divisors (23885044).

47770082 is a wasteful number, since it uses less digits than its factorization.

47770082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23885043.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 47770082 is about 6911.5904103180. The cubic root of 47770082 is about 362.8429274875.

The spelling of 47770082 in words is "forty-seven million, seven hundred seventy thousand, eighty-two".