70891550255992 has 16 divisors (see below), whose sum is σ = 133064737106400. Its totient is φ = 35407620360960.

The previous prime is 70891550255983. The next prime is 70891550256001. The reversal of 70891550255992 is 29955205519807.

It is an interprime number because it is at equal distance from previous prime (70891550255983) and next prime (70891550256001).

It is a super-2 number, since 2×70891550255992² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4769337984 + ... + 4769352847.

It is an arithmetic number, because the mean of its divisors is an integer number (8316546069150).

Almost surely, 2^{70891550255992} is an apocalyptic number.

It is an amenable number.

70891550255992 is a deficient number, since it is larger than the sum of its proper divisors (62173186850408).

70891550255992 is a wasteful number, since it uses less digits than its factorization.

70891550255992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538691766 (or 9538691762 counting only the distinct ones).

The product of its (nonzero) digits is 102060000, while the sum is 67.

The spelling of 70891550255992 in words is "seventy trillion, eight hundred ninety-one billion, five hundred fifty million, two hundred fifty-five thousand, nine hundred ninety-two".