78266025101 has 8 divisors (see below), whose sum is σ = 89874861600. Its totient is φ = 67406145840.

The previous prime is 78266025091. The next prime is 78266025109. The reversal of 78266025101 is 10152066287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-78266025101 is a prime.

It is a super-2 number, since 2×78266025101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78266025109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187239086 + ... + 187239503.

It is an arithmetic number, because the mean of its divisors is an integer number (11234357700).

Almost surely, 2^78266025101 is an apocalyptic number.

It is an amenable number.

78266025101 is a deficient number, since it is larger than the sum of its proper divisors (11608836499).

78266025101 is a wasteful number, since it uses less digits than its factorization.

78266025101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374478619.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 78266025101 in words is "seventy-eight billion, two hundred sixty-six million, twenty-five thousand, one hundred one".