62878993 has 2 divisors, whose sum is σ = 62878994. Its totient is φ = 62878992.

The previous prime is 62878909. The next prime is 62879053. The reversal of 62878993 is 39987826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 18948609 = 6628^2 + 4353^2 .

It is a cyclic number.

It is not a de Polignac number, because 62878993 - 2²¹ = 60781841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 62878993.

It is not a weakly prime, because it can be changed into another prime (62878493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31439496 + 31439497.

It is an arithmetic number, because the mean of its divisors is an integer number (31439497).

Almost surely, 2^62878993 is an apocalyptic number.

It is an amenable number.

62878993 is a deficient number, since it is larger than the sum of its proper divisors (1).

62878993 is an equidigital number, since it uses as much as digits as its factorization.

62878993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 62878993 is about 7929.6275448472. The cubic root of 62878993 is about 397.6507988951.

The spelling of 62878993 in words is "sixty-two million, eight hundred seventy-eight thousand, nine hundred ninety-three".