70877894047801 has 3 divisors (see below), whose sum is σ = 70877902466703. Its totient is φ = 70877885628900.

The previous prime is 70877894047769. The next prime is 70877894047817. The reversal of 70877894047801 is 10874049877807.

The square root of 70877894047801 is 8418901.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 25915236671401 + 44962657376400 = 5090701^2 + 6705420^2 .

It is not a de Polignac number, because 70877894047801 - 2⁵ = 70877894047769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70877894047201) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4209451 + ... + 12628351.

It is an arithmetic number, because the mean of its divisors is an integer number (23625967488901).

Almost surely, 2^{70877894047801} is an apocalyptic number.

70877894047801 is the 8418901-st square number.

70877894047801 is the 4209451-st centered octagonal number.

It is an amenable number.

70877894047801 is a deficient number, since it is larger than the sum of its proper divisors (8418902).

70877894047801 is an frugal number, since it uses more digits than its factorization.

70877894047801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16837802 (or 8418901 counting only the distinct ones).

The product of its (nonzero) digits is 177020928, while the sum is 70.

The spelling of 70877894047801 in words is "seventy trillion, eight hundred seventy-seven billion, eight hundred ninety-four million, forty-seven thousand, eight hundred one".