79619999067 has 12 divisors (see below), whose sum is σ = 131436189040. Its totient is φ = 45497142288.

The previous prime is 79619999029. The next prime is 79619999071. The reversal of 79619999067 is 76099991697.

It is not a de Polignac number, because 79619999067 - 2¹¹ = 79619997019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79619998986 and 79619999004.

It is not an unprimeable number, because it can be changed into a prime (79619998067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631904692 + ... + 631904817.

Almost surely, 2^79619999067 is an apocalyptic number.

79619999067 is a deficient number, since it is larger than the sum of its proper divisors (51816189973).

79619999067 is a wasteful number, since it uses less digits than its factorization.

79619999067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263809522 (or 1263809519 counting only the distinct ones).

The product of its (nonzero) digits is 104162436, while the sum is 72.

The spelling of 79619999067 in words is "seventy-nine billion, six hundred nineteen million, nine hundred ninety-nine thousand, sixty-seven".