70496999987 has 2 divisors, whose sum is σ = 70496999988. Its totient is φ = 70496999986.

The previous prime is 70496999971. The next prime is 70497000019. The reversal of 70496999987 is 78999969407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70496999987 - 2⁴ = 70496999971 is a prime.

It is not a weakly prime, because it can be changed into another prime (70496299987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35248499993 + 35248499994.

It is an arithmetic number, because the mean of its divisors is an integer number (35248499994).

Almost surely, 2^70496999987 is an apocalyptic number.

70496999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

70496999987 is an equidigital number, since it uses as much as digits as its factorization.

70496999987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555532992, while the sum is 77.

The spelling of 70496999987 in words is "seventy billion, four hundred ninety-six million, nine hundred ninety-nine thousand, nine hundred eighty-seven".