70797678951 has 16 divisors (see below), whose sum is σ = 100023223040. Its totient is φ = 44418196800.

The previous prime is 70797678943. The next prime is 70797678983. The reversal of 70797678951 is 15987679707.

It is not a de Polignac number, because 70797678951 - 2³ = 70797678943 is a prime.

It is a super-2 number, since 2×70797678951² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70797678901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4104190 + ... + 4121403.

It is an arithmetic number, because the mean of its divisors is an integer number (6251451440).

Almost surely, 2^70797678951 is an apocalyptic number.

70797678951 is a deficient number, since it is larger than the sum of its proper divisors (29225544089).

70797678951 is a wasteful number, since it uses less digits than its factorization.

70797678951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8225766.

The product of its (nonzero) digits is 46675440, while the sum is 66.

The spelling of 70797678951 in words is "seventy billion, seven hundred ninety-seven million, six hundred seventy-eight thousand, nine hundred fifty-one".