79457950 has 48 divisors (see below), whose sum is σ = 173645136. Its totient is φ = 26668800.

The previous prime is 79457947. The next prime is 79457951. The reversal of 79457950 is 5975497.

It is a happy number.

It is a super-4 number, since 4×79457950⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a self number, because there is not a number n which added to its sum of digits gives 79457950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79457951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1594 + ... + 12706.

It is an arithmetic number, because the mean of its divisors is an integer number (3617607).

Almost surely, 2^79457950 is an apocalyptic number.

79457950 is an abundant number, since it is smaller than the sum of its proper divisors (94187186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79457950 is a wasteful number, since it uses less digits than its factorization.

79457950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11144 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 79457950 is about 8913.9188912621. The cubic root of 79457950 is about 429.9115556333.

The spelling of 79457950 in words is "seventy-nine million, four hundred fifty-seven thousand, nine hundred fifty".