157484777473 has 8 divisors (see below), whose sum is σ = 157663708200. Its totient is φ = 157305907968.

The previous prime is 157484777419. The next prime is 157484777491. The reversal of 157484777473 is 374777484751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21583429569 + 135901347904 = 146913^2 + 368648^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157484777473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157484777413) 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, 6779763 + ... + 6802951.

It is an arithmetic number, because the mean of its divisors is an integer number (19707963525).

Almost surely, 2^157484777473 is an apocalyptic number.

It is an amenable number.

157484777473 is a deficient number, since it is larger than the sum of its proper divisors (178930727).

157484777473 is a wasteful number, since it uses less digits than its factorization.

157484777473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30611.

The product of its digits is 129077760, while the sum is 64.

The spelling of 157484777473 in words is "one hundred fifty-seven billion, four hundred eighty-four million, seven hundred seventy-seven thousand, four hundred seventy-three".