7874079477 has 36 divisors (see below), whose sum is σ = 11634916608. Its totient is φ = 4733097600.

The previous prime is 7874079439. The next prime is 7874079481. The reversal of 7874079477 is 7749704787.

It is not a de Polignac number, because 7874079477 - 2⁷ = 7874079349 is a prime.

It is a super-2 number, since 2×7874079477² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7874079477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7874079277) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23365053 + ... + 23365389.

It is an arithmetic number, because the mean of its divisors is an integer number (323192128).

Almost surely, 2^7874079477 is an apocalyptic number.

It is an amenable number.

7874079477 is a deficient number, since it is larger than the sum of its proper divisors (3760837131).

7874079477 is a wasteful number, since it uses less digits than its factorization.

7874079477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 19361664, while the sum is 60.

The square root of 7874079477 is about 88736.0100353853. The cubic root of 7874079477 is about 1989.4510810613.

The spelling of 7874079477 in words is "seven billion, eight hundred seventy-four million, seventy-nine thousand, four hundred seventy-seven".