70020202477 has 2 divisors, whose sum is σ = 70020202478. Its totient is φ = 70020202476.

The previous prime is 70020202433. The next prime is 70020202481. The reversal of 70020202477 is 77420202007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58334808676 + 11685393801 = 241526^2 + 108099^2 .

It is a cyclic number.

It is not a de Polignac number, because 70020202477 - 2³¹ = 67872718829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70020202877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010101238 + 35010101239.

It is an arithmetic number, because the mean of its divisors is an integer number (35010101239).

Almost surely, 2^70020202477 is an apocalyptic number.

It is an amenable number.

70020202477 is a deficient number, since it is larger than the sum of its proper divisors (1).

70020202477 is an equidigital number, since it uses as much as digits as its factorization.

70020202477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 31.

The spelling of 70020202477 in words is "seventy billion, twenty million, two hundred two thousand, four hundred seventy-seven".