70020002277 has 6 divisors (see below), whose sum is σ = 101140003302. Its totient is φ = 46680001512.

The previous prime is 70020002257. The next prime is 70020002303. The reversal of 70020002277 is 77220002007.

It can be written as a sum of positive squares in only one way, i.e., 55154052801 + 14865949476 = 234849^2 + 121926^2 .

It is not a de Polignac number, because 70020002277 - 2⁸ = 70020002021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70020002277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70020002257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890000118 + ... + 3890000135.

It is an arithmetic number, because the mean of its divisors is an integer number (16856667217).

Almost surely, 2^70020002277 is an apocalyptic number.

It is an amenable number.

70020002277 is a deficient number, since it is larger than the sum of its proper divisors (31120001025).

70020002277 is a wasteful number, since it uses less digits than its factorization.

70020002277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780000259 (or 7780000256 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The spelling of 70020002277 in words is "seventy billion, twenty million, two thousand, two hundred seventy-seven".