79406358002 has 4 divisors (see below), whose sum is σ = 119109537006. Its totient is φ = 39703179000.

The previous prime is 79406358001. The next prime is 79406358007. The reversal of 79406358002 is 20085360497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20085360497 = 37 ⋅542847581.

It can be written as a sum of positive squares in only one way, i.e., 47437275601 + 31969082401 = 217801^2 + 178799^2 .

It is a super-2 number, since 2×79406358002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79406358001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19851589499 + ... + 19851589502.

Almost surely, 2^79406358002 is an apocalyptic number.

79406358002 is a deficient number, since it is larger than the sum of its proper divisors (39703179004).

79406358002 is a wasteful number, since it uses less digits than its factorization.

79406358002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39703179003.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 79406358002 in words is "seventy-nine billion, four hundred six million, three hundred fifty-eight thousand, two".