662012797 has 2 divisors, whose sum is σ = 662012798. Its totient is φ = 662012796.

The previous prime is 662012761. The next prime is 662012807. The reversal of 662012797 is 797210266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549949401 + 112063396 = 23451^2 + 10586^2 .

It is a cyclic number.

It is not a de Polignac number, because 662012797 - 2²⁷ = 527795069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662012597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331006398 + 331006399.

It is an arithmetic number, because the mean of its divisors is an integer number (331006399).

Almost surely, 2^662012797 is an apocalyptic number.

It is an amenable number.

662012797 is a deficient number, since it is larger than the sum of its proper divisors (1).

662012797 is an equidigital number, since it uses as much as digits as its factorization.

662012797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 662012797 is about 25729.6093441000. The cubic root of 662012797 is about 871.5429513817.

The spelling of 662012797 in words is "six hundred sixty-two million, twelve thousand, seven hundred ninety-seven".