70862782067 has 16 divisors (see below), whose sum is σ = 89078567424. Its totient is φ = 55217745000.

The previous prime is 70862782057. The next prime is 70862782069. The reversal of 70862782067 is 76028726807.

It is not a de Polignac number, because 70862782067 - 2⁸ = 70862781811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70862782069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793559 + ... + 3812192.

It is an arithmetic number, because the mean of its divisors is an integer number (5567410464).

Almost surely, 2^70862782067 is an apocalyptic number.

70862782067 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

70862782067 is a deficient number, since it is larger than the sum of its proper divisors (18215785357).

70862782067 is an equidigital number, since it uses as much as digits as its factorization.

70862782067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605791 (or 7605769 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 70862782067 in words is "seventy billion, eight hundred sixty-two million, seven hundred eighty-two thousand, sixty-seven".