70400804767 has 2 divisors, whose sum is σ = 70400804768. Its totient is φ = 70400804766.

The previous prime is 70400804741. The next prime is 70400804783. The reversal of 70400804767 is 76740800407.

It is a strong prime.

It is an emirp because it is prime and its reverse (76740800407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70400804767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70400804797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35200402383 + 35200402384.

It is an arithmetic number, because the mean of its divisors is an integer number (35200402384).

Almost surely, 2^70400804767 is an apocalyptic number.

70400804767 is a deficient number, since it is larger than the sum of its proper divisors (1).

70400804767 is an equidigital number, since it uses as much as digits as its factorization.

70400804767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 70400804767 in words is "seventy billion, four hundred million, eight hundred four thousand, seven hundred sixty-seven".