7474988377 has 4 divisors (see below), whose sum is σ = 7648825360. Its totient is φ = 7301151396.

The previous prime is 7474988371. The next prime is 7474988399. The reversal of 7474988377 is 7738894747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7474988377 - 2²³ = 7466599769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7474988371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86918427 + ... + 86918512.

It is an arithmetic number, because the mean of its divisors is an integer number (1912206340).

Almost surely, 2^7474988377 is an apocalyptic number.

It is an amenable number.

7474988377 is a deficient number, since it is larger than the sum of its proper divisors (173836983).

7474988377 is a wasteful number, since it uses less digits than its factorization.

7474988377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173836982.

The product of its digits is 66382848, while the sum is 64.

The square root of 7474988377 is about 86458.0151113822. The cubic root of 7474988377 is about 1955.2554596264.

The spelling of 7474988377 in words is "seven billion, four hundred seventy-four million, nine hundred eighty-eight thousand, three hundred seventy-seven".