2678897701 has 2 divisors, whose sum is σ = 2678897702. Its totient is φ = 2678897700.

The previous prime is 2678897651. The next prime is 2678897737. The reversal of 2678897701 is 1077988762.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2636309025 + 42588676 = 51345^2 + 6526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678897701 - 2¹³ = 2678889509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2678895701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339448850 + 1339448851.

It is an arithmetic number, because the mean of its divisors is an integer number (1339448851).

Almost surely, 2^2678897701 is an apocalyptic number.

It is an amenable number.

2678897701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678897701 is an equidigital number, since it uses as much as digits as its factorization.

2678897701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The square root of 2678897701 is about 51758.0689458175. The cubic root of 2678897701 is about 1388.8394468987.

The spelling of 2678897701 in words is "two billion, six hundred seventy-eight million, eight hundred ninety-seven thousand, seven hundred one".